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Finding the Fourth Proportional to 650,678.73, 974,320.40 and 523,624.97

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Solution

The fourth proportional to 650,678.73, 974,320.40 and 523,624.97 is: 784,071.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,678.73 : 974,320.40 = 523,624.97 : x
  2. Step 2: Convert to fraction form
    650,678.73/974,320.40 = 523,624.97/x
  3. Step 3: Cross multiply
    650,678.73x = 974,320.40 × 523,624.97
  4. Step 4: Simplify right side
    650,678.73x = 510,178,486,657.85
  5. Step 5: Solve for x
    x = 510,178,486,657.85/650,678.73
  6. Step 6: Final answer
    x = 784,071.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.