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Finding the Fourth Proportional to 360,318.48, 497,288.88 and 207,353.52

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Solution

The fourth proportional to 360,318.48, 497,288.88 and 207,353.52 is: 286,176.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,318.48 : 497,288.88 = 207,353.52 : x
  2. Step 2: Convert to fraction form
    360,318.48/497,288.88 = 207,353.52/x
  3. Step 3: Cross multiply
    360,318.48x = 497,288.88 × 207,353.52
  4. Step 4: Simplify right side
    360,318.48x = 103,114,599,724.86
  5. Step 5: Solve for x
    x = 103,114,599,724.86/360,318.48
  6. Step 6: Final answer
    x = 286,176.27

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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.