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Finding the Fourth Proportional to 475,635.02, 656,371.48 and 260,774.62

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Solution

The fourth proportional to 475,635.02, 656,371.48 and 260,774.62 is: 359,866.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,635.02 : 656,371.48 = 260,774.62 : x
  2. Step 2: Convert to fraction form
    475,635.02/656,371.48 = 260,774.62/x
  3. Step 3: Cross multiply
    475,635.02x = 656,371.48 × 260,774.62
  4. Step 4: Simplify right side
    475,635.02x = 171,165,023,275.84
  5. Step 5: Solve for x
    x = 171,165,023,275.84/475,635.02
  6. Step 6: Final answer
    x = 359,866.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.