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Finding the Fourth Proportional to 602,195.69, 831,040.71 and 330,261.22

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Solution

The fourth proportional to 602,195.69, 831,040.71 and 330,261.22 is: 455,766.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,195.69 : 831,040.71 = 330,261.22 : x
  2. Step 2: Convert to fraction form
    602,195.69/831,040.71 = 330,261.22/x
  3. Step 3: Cross multiply
    602,195.69x = 831,040.71 × 330,261.22
  4. Step 4: Simplify right side
    602,195.69x = 274,460,522,749.61
  5. Step 5: Solve for x
    x = 274,460,522,749.61/602,195.69
  6. Step 6: Final answer
    x = 455,766.34

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.