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Finding the Fourth Proportional to 360,426.36, 497,425.50 and 207,470.28

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Solution

The fourth proportional to 360,426.36, 497,425.50 and 207,470.28 is: 286,330.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,426.36 : 497,425.50 = 207,470.28 : x
  2. Step 2: Convert to fraction form
    360,426.36/497,425.50 = 207,470.28/x
  3. Step 3: Cross multiply
    360,426.36x = 497,425.50 × 207,470.28
  4. Step 4: Simplify right side
    360,426.36x = 103,201,007,764.14
  5. Step 5: Solve for x
    x = 103,201,007,764.14/360,426.36
  6. Step 6: Final answer
    x = 286,330.36

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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.