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Finding the Fourth Proportional to 527,066.88, 790,622.18 and 153,089.88

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Solution

The fourth proportional to 527,066.88, 790,622.18 and 153,089.88 is: 229,641.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,066.88 : 790,622.18 = 153,089.88 : x
  2. Step 2: Convert to fraction form
    527,066.88/790,622.18 = 153,089.88/x
  3. Step 3: Cross multiply
    527,066.88x = 790,622.18 × 153,089.88
  4. Step 4: Simplify right side
    527,066.88x = 121,036,254,661.54
  5. Step 5: Solve for x
    x = 121,036,254,661.54/527,066.88
  6. Step 6: Final answer
    x = 229,641.17

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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.