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Finding the Fourth Proportional to 540,216.18, 744,609.24 and 383,104.53

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Solution

The fourth proportional to 540,216.18, 744,609.24 and 383,104.53 is: 528,053.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,216.18 : 744,609.24 = 383,104.53 : x
  2. Step 2: Convert to fraction form
    540,216.18/744,609.24 = 383,104.53/x
  3. Step 3: Cross multiply
    540,216.18x = 744,609.24 × 383,104.53
  4. Step 4: Simplify right side
    540,216.18x = 285,263,172,923.86
  5. Step 5: Solve for x
    x = 285,263,172,923.86/540,216.18
  6. Step 6: Final answer
    x = 528,053.74

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Double scale
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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.