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Finding the Fourth Proportional to 566,427.60, 849,641.40 and 542,158.80

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Solution

The fourth proportional to 566,427.60, 849,641.40 and 542,158.80 is: 813,238.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,427.60 : 849,641.40 = 542,158.80 : x
  2. Step 2: Convert to fraction form
    566,427.60/849,641.40 = 542,158.80/x
  3. Step 3: Cross multiply
    566,427.60x = 849,641.40 × 542,158.80
  4. Step 4: Simplify right side
    566,427.60x = 460,640,561,854.32
  5. Step 5: Solve for x
    x = 460,640,561,854.32/566,427.60
  6. Step 6: Final answer
    x = 813,238.20

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Double scale
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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.