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Finding the Fourth Proportional to 602,565.92, 831,513.14 and 330,627.05

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Solution

The fourth proportional to 602,565.92, 831,513.14 and 330,627.05 is: 456,250.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,565.92 : 831,513.14 = 330,627.05 : x
  2. Step 2: Convert to fraction form
    602,565.92/831,513.14 = 330,627.05/x
  3. Step 3: Cross multiply
    602,565.92x = 831,513.14 × 330,627.05
  4. Step 4: Simplify right side
    602,565.92x = 274,920,730,703.74
  5. Step 5: Solve for x
    x = 274,920,730,703.74/602,565.92
  6. Step 6: Final answer
    x = 456,250.05

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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.