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Finding the Fourth Proportional to 610,801.12, 915,758.70 and 410,624.92

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Solution

The fourth proportional to 610,801.12, 915,758.70 and 410,624.92 is: 615,639.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,801.12 : 915,758.70 = 410,624.92 : x
  2. Step 2: Convert to fraction form
    610,801.12/915,758.70 = 410,624.92/x
  3. Step 3: Cross multiply
    610,801.12x = 915,758.70 × 410,624.92
  4. Step 4: Simplify right side
    610,801.12x = 376,033,342,926.80
  5. Step 5: Solve for x
    x = 376,033,342,926.80/610,801.12
  6. Step 6: Final answer
    x = 615,639.58

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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.