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Finding the Fourth Proportional to 662,470.32, 914,209.14 and 360,664.32

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Solution

The fourth proportional to 662,470.32, 914,209.14 and 360,664.32 is: 497,716.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,470.32 : 914,209.14 = 360,664.32 : x
  2. Step 2: Convert to fraction form
    662,470.32/914,209.14 = 360,664.32/x
  3. Step 3: Cross multiply
    662,470.32x = 914,209.14 × 360,664.32
  4. Step 4: Simplify right side
    662,470.32x = 329,722,617,815.89
  5. Step 5: Solve for x
    x = 329,722,617,815.89/662,470.32
  6. Step 6: Final answer
    x = 497,716.82

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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.