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Finding the Fourth Proportional to 617,799.42, 927,354.17 and 547,180.50

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Solution

The fourth proportional to 617,799.42, 927,354.17 and 547,180.50 is: 821,350.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,799.42 : 927,354.17 = 547,180.50 : x
  2. Step 2: Convert to fraction form
    617,799.42/927,354.17 = 547,180.50/x
  3. Step 3: Cross multiply
    617,799.42x = 927,354.17 × 547,180.50
  4. Step 4: Simplify right side
    617,799.42x = 507,430,118,417.69
  5. Step 5: Solve for x
    x = 507,430,118,417.69/617,799.42
  6. Step 6: Final answer
    x = 821,350.91

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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.