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Finding the Fourth Proportional to 560,853.90, 841,104.36 and 181,686.66

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Solution

The fourth proportional to 560,853.90, 841,104.36 and 181,686.66 is: 272,472.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,853.90 : 841,104.36 = 181,686.66 : x
  2. Step 2: Convert to fraction form
    560,853.90/841,104.36 = 181,686.66/x
  3. Step 3: Cross multiply
    560,853.90x = 841,104.36 × 181,686.66
  4. Step 4: Simplify right side
    560,853.90x = 152,817,441,879.84
  5. Step 5: Solve for x
    x = 152,817,441,879.84/560,853.90
  6. Step 6: Final answer
    x = 272,472.82

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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.