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Finding the Fourth Proportional to 486,429.06, 724,751.11 and 459,266.52

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Solution

The fourth proportional to 486,429.06, 724,751.11 and 459,266.52 is: 684,280.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,429.06 : 724,751.11 = 459,266.52 : x
  2. Step 2: Convert to fraction form
    486,429.06/724,751.11 = 459,266.52/x
  3. Step 3: Cross multiply
    486,429.06x = 724,751.11 × 459,266.52
  4. Step 4: Simplify right side
    486,429.06x = 332,853,920,155.84
  5. Step 5: Solve for x
    x = 332,853,920,155.84/486,429.06
  6. Step 6: Final answer
    x = 684,280.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.