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Finding the Fourth Proportional to 602,294.22, 831,189.26 and 330,373.58

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Solution

The fourth proportional to 602,294.22, 831,189.26 and 330,373.58 is: 455,928.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,294.22 : 831,189.26 = 330,373.58 : x
  2. Step 2: Convert to fraction form
    602,294.22/831,189.26 = 330,373.58/x
  3. Step 3: Cross multiply
    602,294.22x = 831,189.26 × 330,373.58
  4. Step 4: Simplify right side
    602,294.22x = 274,602,968,153.74
  5. Step 5: Solve for x
    x = 274,602,968,153.74/602,294.22
  6. Step 6: Final answer
    x = 455,928.28

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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.