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Finding the Fourth Proportional to 602,386.56, 831,231.84 and 360,662.85

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Solution

The fourth proportional to 602,386.56, 831,231.84 and 360,662.85 is: 497,677.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,386.56 : 831,231.84 = 360,662.85 : x
  2. Step 2: Convert to fraction form
    602,386.56/831,231.84 = 360,662.85/x
  3. Step 3: Cross multiply
    602,386.56x = 831,231.84 × 360,662.85
  4. Step 4: Simplify right side
    602,386.56x = 299,794,444,425.14
  5. Step 5: Solve for x
    x = 299,794,444,425.14/602,386.56
  6. Step 6: Final answer
    x = 497,677.84

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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.