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Finding the Fourth Proportional to 552,763.28, 829,591.64 and 286,599.92

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Solution

The fourth proportional to 552,763.28, 829,591.64 and 286,599.92 is: 430,131.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,763.28 : 829,591.64 = 286,599.92 : x
  2. Step 2: Convert to fraction form
    552,763.28/829,591.64 = 286,599.92/x
  3. Step 3: Cross multiply
    552,763.28x = 829,591.64 × 286,599.92
  4. Step 4: Simplify right side
    552,763.28x = 237,760,897,656.67
  5. Step 5: Solve for x
    x = 237,760,897,656.67/552,763.28
  6. Step 6: Final answer
    x = 430,131.50

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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.