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Finding the Fourth Proportional to 532,203.60, 798,305.40 and 525,205.20

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Solution

The fourth proportional to 532,203.60, 798,305.40 and 525,205.20 is: 787,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,203.60 : 798,305.40 = 525,205.20 : x
  2. Step 2: Convert to fraction form
    532,203.60/798,305.40 = 525,205.20/x
  3. Step 3: Cross multiply
    532,203.60x = 798,305.40 × 525,205.20
  4. Step 4: Simplify right side
    532,203.60x = 419,274,147,268.08
  5. Step 5: Solve for x
    x = 419,274,147,268.08/532,203.60
  6. Step 6: Final answer
    x = 787,807.80

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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.