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Finding the Fourth Proportional to 577,232.40, 865,848.60 and 156,507.60

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Solution

The fourth proportional to 577,232.40, 865,848.60 and 156,507.60 is: 234,761.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,232.40 : 865,848.60 = 156,507.60 : x
  2. Step 2: Convert to fraction form
    577,232.40/865,848.60 = 156,507.60/x
  3. Step 3: Cross multiply
    577,232.40x = 865,848.60 × 156,507.60
  4. Step 4: Simplify right side
    577,232.40x = 135,511,886,349.36
  5. Step 5: Solve for x
    x = 135,511,886,349.36/577,232.40
  6. Step 6: Final answer
    x = 234,761.40

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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.