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Finding the Fourth Proportional to 527,064.19, 790,618.15 and 153,087.19

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Solution

The fourth proportional to 527,064.19, 790,618.15 and 153,087.19 is: 229,637.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,064.19 : 790,618.15 = 153,087.19 : x
  2. Step 2: Convert to fraction form
    527,064.19/790,618.15 = 153,087.19/x
  3. Step 3: Cross multiply
    527,064.19x = 790,618.15 × 153,087.19
  4. Step 4: Simplify right side
    527,064.19x = 121,033,509,161.31
  5. Step 5: Solve for x
    x = 121,033,509,161.31/527,064.19
  6. Step 6: Final answer
    x = 229,637.13

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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.