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Finding the Fourth Proportional to 534,381.53, 802,112.42 and 473,987.78

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Solution

The fourth proportional to 534,381.53, 802,112.42 and 473,987.78 is: 711,460.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,381.53 : 802,112.42 = 473,987.78 : x
  2. Step 2: Convert to fraction form
    534,381.53/802,112.42 = 473,987.78/x
  3. Step 3: Cross multiply
    534,381.53x = 802,112.42 × 473,987.78
  4. Step 4: Simplify right side
    534,381.53x = 380,191,482,440.64
  5. Step 5: Solve for x
    x = 380,191,482,440.64/534,381.53
  6. Step 6: Final answer
    x = 711,460.74

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1.5x scale

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.