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Finding the Fourth Proportional to 633,146.76, 873,747.72 and 375,037.92

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Solution

The fourth proportional to 633,146.76, 873,747.72 and 375,037.92 is: 517,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,146.76 : 873,747.72 = 375,037.92 : x
  2. Step 2: Convert to fraction form
    633,146.76/873,747.72 = 375,037.92/x
  3. Step 3: Cross multiply
    633,146.76x = 873,747.72 × 375,037.92
  4. Step 4: Simplify right side
    633,146.76x = 327,688,527,513.54
  5. Step 5: Solve for x
    x = 327,688,527,513.54/633,146.76
  6. Step 6: Final answer
    x = 517,555.40

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Double scale
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Similar ratio
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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.