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Finding the Fourth Proportional to 546,955.20, 820,432.80 and 534,667.20

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Solution

The fourth proportional to 546,955.20, 820,432.80 and 534,667.20 is: 802,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,955.20 : 820,432.80 = 534,667.20 : x
  2. Step 2: Convert to fraction form
    546,955.20/820,432.80 = 534,667.20/x
  3. Step 3: Cross multiply
    546,955.20x = 820,432.80 × 534,667.20
  4. Step 4: Simplify right side
    546,955.20x = 438,658,507,964.16
  5. Step 5: Solve for x
    x = 438,658,507,964.16/546,955.20
  6. Step 6: Final answer
    x = 802,000.80

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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.