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Finding the Fourth Proportional to 425,059.45, 636,112.95 and 292,199.20

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Solution

The fourth proportional to 425,059.45, 636,112.95 and 292,199.20 is: 437,284.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,059.45 : 636,112.95 = 292,199.20 : x
  2. Step 2: Convert to fraction form
    425,059.45/636,112.95 = 292,199.20/x
  3. Step 3: Cross multiply
    425,059.45x = 636,112.95 × 292,199.20
  4. Step 4: Simplify right side
    425,059.45x = 185,871,695,099.64
  5. Step 5: Solve for x
    x = 185,871,695,099.64/425,059.45
  6. Step 6: Final answer
    x = 437,284.00

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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.