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Finding the Fourth Proportional to 564,120.40, 846,180.60 and 539,237.20

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Solution

The fourth proportional to 564,120.40, 846,180.60 and 539,237.20 is: 808,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,120.40 : 846,180.60 = 539,237.20 : x
  2. Step 2: Convert to fraction form
    564,120.40/846,180.60 = 539,237.20/x
  3. Step 3: Cross multiply
    564,120.40x = 846,180.60 × 539,237.20
  4. Step 4: Simplify right side
    564,120.40x = 456,292,057,438.32
  5. Step 5: Solve for x
    x = 456,292,057,438.32/564,120.40
  6. Step 6: Final answer
    x = 808,855.80

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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.