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Finding the Fourth Proportional to 602,359.85, 831,248.86 and 344,233.86

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Solution

The fourth proportional to 602,359.85, 831,248.86 and 344,233.86 is: 475,038.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,359.85 : 831,248.86 = 344,233.86 : x
  2. Step 2: Convert to fraction form
    602,359.85/831,248.86 = 344,233.86/x
  3. Step 3: Cross multiply
    602,359.85x = 831,248.86 × 344,233.86
  4. Step 4: Simplify right side
    602,359.85x = 286,144,005,242.62
  5. Step 5: Solve for x
    x = 286,144,005,242.62/602,359.85
  6. Step 6: Final answer
    x = 475,038.31

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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.