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Finding the Fourth Proportional to 240,309.93, 359,808.10 and 172,909.32

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Solution

The fourth proportional to 240,309.93, 359,808.10 and 172,909.32 is: 258,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,309.93 : 359,808.10 = 172,909.32 : x
  2. Step 2: Convert to fraction form
    240,309.93/359,808.10 = 172,909.32/x
  3. Step 3: Cross multiply
    240,309.93x = 359,808.10 × 172,909.32
  4. Step 4: Simplify right side
    240,309.93x = 62,214,173,901.49
  5. Step 5: Solve for x
    x = 62,214,173,901.49/240,309.93
  6. Step 6: Final answer
    x = 258,891.40

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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.