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Finding the Fourth Proportional to 650,255.40, 975,383.10 and 471,925.80

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Solution

The fourth proportional to 650,255.40, 975,383.10 and 471,925.80 is: 707,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,255.40 : 975,383.10 = 471,925.80 : x
  2. Step 2: Convert to fraction form
    650,255.40/975,383.10 = 471,925.80/x
  3. Step 3: Cross multiply
    650,255.40x = 975,383.10 × 471,925.80
  4. Step 4: Simplify right side
    650,255.40x = 460,308,449,773.98
  5. Step 5: Solve for x
    x = 460,308,449,773.98/650,255.40
  6. Step 6: Final answer
    x = 707,888.70

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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.