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Finding the Fourth Proportional to 618,663.60, 928,000.88 and 244,686.64

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Solution

The fourth proportional to 618,663.60, 928,000.88 and 244,686.64 is: 367,032.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,663.60 : 928,000.88 = 244,686.64 : x
  2. Step 2: Convert to fraction form
    618,663.60/928,000.88 = 244,686.64/x
  3. Step 3: Cross multiply
    618,663.60x = 928,000.88 × 244,686.64
  4. Step 4: Simplify right side
    618,663.60x = 227,069,417,244.24
  5. Step 5: Solve for x
    x = 227,069,417,244.24/618,663.60
  6. Step 6: Final answer
    x = 367,032.13

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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.