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Finding the Fourth Proportional to 601,140.80, 829,372.92 and 346,486.52

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Solution

The fourth proportional to 601,140.80, 829,372.92 and 346,486.52 is: 478,035.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,140.80 : 829,372.92 = 346,486.52 : x
  2. Step 2: Convert to fraction form
    601,140.80/829,372.92 = 346,486.52/x
  3. Step 3: Cross multiply
    601,140.80x = 829,372.92 × 346,486.52
  4. Step 4: Simplify right side
    601,140.80x = 287,366,536,833.04
  5. Step 5: Solve for x
    x = 287,366,536,833.04/601,140.80
  6. Step 6: Final answer
    x = 478,035.32

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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.