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Finding the Fourth Proportional to 536,482.40, 803,557.20 and 325,752.80

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Solution

The fourth proportional to 536,482.40, 803,557.20 and 325,752.80 is: 487,920.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,482.40 : 803,557.20 = 325,752.80 : x
  2. Step 2: Convert to fraction form
    536,482.40/803,557.20 = 325,752.80/x
  3. Step 3: Cross multiply
    536,482.40x = 803,557.20 × 325,752.80
  4. Step 4: Simplify right side
    536,482.40x = 261,761,007,860.16
  5. Step 5: Solve for x
    x = 261,761,007,860.16/536,482.40
  6. Step 6: Final answer
    x = 487,920.96

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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.