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Finding the Fourth Proportional to 370,254.08, 555,266.24 and 133,565.88

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Solution

The fourth proportional to 370,254.08, 555,266.24 and 133,565.88 is: 200,307.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,254.08 : 555,266.24 = 133,565.88 : x
  2. Step 2: Convert to fraction form
    370,254.08/555,266.24 = 133,565.88/x
  3. Step 3: Cross multiply
    370,254.08x = 555,266.24 × 133,565.88
  4. Step 4: Simplify right side
    370,254.08x = 74,164,623,979.89
  5. Step 5: Solve for x
    x = 74,164,623,979.89/370,254.08
  6. Step 6: Final answer
    x = 200,307.38

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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.