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Finding the Fourth Proportional to 524,761.04, 724,380.36 and 346,339.28

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Solution

The fourth proportional to 524,761.04, 724,380.36 and 346,339.28 is: 478,086.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,761.04 : 724,380.36 = 346,339.28 : x
  2. Step 2: Convert to fraction form
    524,761.04/724,380.36 = 346,339.28/x
  3. Step 3: Cross multiply
    524,761.04x = 724,380.36 × 346,339.28
  4. Step 4: Simplify right side
    524,761.04x = 250,881,372,328.54
  5. Step 5: Solve for x
    x = 250,881,372,328.54/524,761.04
  6. Step 6: Final answer
    x = 478,086.89

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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.