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Finding the Fourth Proportional to 617,948.76, 927,098.10 and 365,453.40

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Solution

The fourth proportional to 617,948.76, 927,098.10 and 365,453.40 is: 548,283.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,948.76 : 927,098.10 = 365,453.40 : x
  2. Step 2: Convert to fraction form
    617,948.76/927,098.10 = 365,453.40/x
  3. Step 3: Cross multiply
    617,948.76x = 927,098.10 × 365,453.40
  4. Step 4: Simplify right side
    617,948.76x = 338,811,152,778.54
  5. Step 5: Solve for x
    x = 338,811,152,778.54/617,948.76
  6. Step 6: Final answer
    x = 548,283.57

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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.