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Finding the Fourth Proportional to 534,381.66, 802,112.61 and 473,987.90

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Solution

The fourth proportional to 534,381.66, 802,112.61 and 473,987.90 is: 711,460.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,381.66 : 802,112.61 = 473,987.90 : x
  2. Step 2: Convert to fraction form
    534,381.66/802,112.61 = 473,987.90/x
  3. Step 3: Cross multiply
    534,381.66x = 802,112.61 × 473,987.90
  4. Step 4: Simplify right side
    534,381.66x = 380,191,671,577.42
  5. Step 5: Solve for x
    x = 380,191,671,577.42/534,381.66
  6. Step 6: Final answer
    x = 711,460.93

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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.