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Finding the Fourth Proportional to 623,714.60, 935,571.90 and 544,982.60

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Solution

The fourth proportional to 623,714.60, 935,571.90 and 544,982.60 is: 817,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,714.60 : 935,571.90 = 544,982.60 : x
  2. Step 2: Convert to fraction form
    623,714.60/935,571.90 = 544,982.60/x
  3. Step 3: Cross multiply
    623,714.60x = 935,571.90 × 544,982.60
  4. Step 4: Simplify right side
    623,714.60x = 509,870,406,548.94
  5. Step 5: Solve for x
    x = 509,870,406,548.94/623,714.60
  6. Step 6: Final answer
    x = 817,473.90

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Similar ratio
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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.