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Finding the Fourth Proportional to 388,248.12, 535,700.04 and 244,925.10

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Solution

The fourth proportional to 388,248.12, 535,700.04 and 244,925.10 is: 337,944.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,248.12 : 535,700.04 = 244,925.10 : x
  2. Step 2: Convert to fraction form
    388,248.12/535,700.04 = 244,925.10/x
  3. Step 3: Cross multiply
    388,248.12x = 535,700.04 × 244,925.10
  4. Step 4: Simplify right side
    388,248.12x = 131,206,381,963.88
  5. Step 5: Solve for x
    x = 131,206,381,963.88/388,248.12
  6. Step 6: Final answer
    x = 337,944.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.