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Finding the Fourth Proportional to 600,007.60, 898,553.40 and 318,905.20

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Solution

The fourth proportional to 600,007.60, 898,553.40 and 318,905.20 is: 477,582.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,007.60 : 898,553.40 = 318,905.20 : x
  2. Step 2: Convert to fraction form
    600,007.60/898,553.40 = 318,905.20/x
  3. Step 3: Cross multiply
    600,007.60x = 898,553.40 × 318,905.20
  4. Step 4: Simplify right side
    600,007.60x = 286,553,351,737.68
  5. Step 5: Solve for x
    x = 286,553,351,737.68/600,007.60
  6. Step 6: Final answer
    x = 477,582.87

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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.