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Finding the Fourth Proportional to 240,009.30, 360,013.95 and 200,934.90

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Solution

The fourth proportional to 240,009.30, 360,013.95 and 200,934.90 is: 301,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,009.30 : 360,013.95 = 200,934.90 : x
  2. Step 2: Convert to fraction form
    240,009.30/360,013.95 = 200,934.90/x
  3. Step 3: Cross multiply
    240,009.30x = 360,013.95 × 200,934.90
  4. Step 4: Simplify right side
    240,009.30x = 72,339,367,041.86
  5. Step 5: Solve for x
    x = 72,339,367,041.86/240,009.30
  6. Step 6: Final answer
    x = 301,402.35

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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.