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Finding the Fourth Proportional to 650,534.40, 975,801.60 and 472,204.80

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Solution

The fourth proportional to 650,534.40, 975,801.60 and 472,204.80 is: 708,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,534.40 : 975,801.60 = 472,204.80 : x
  2. Step 2: Convert to fraction form
    650,534.40/975,801.60 = 472,204.80/x
  3. Step 3: Cross multiply
    650,534.40x = 975,801.60 × 472,204.80
  4. Step 4: Simplify right side
    650,534.40x = 460,778,199,367.68
  5. Step 5: Solve for x
    x = 460,778,199,367.68/650,534.40
  6. Step 6: Final answer
    x = 708,307.20

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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.