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Finding the Fourth Proportional to 207,315.42, 310,595.87 and 144,001.77

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Solution

The fourth proportional to 207,315.42, 310,595.87 and 144,001.77 is: 215,740.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,315.42 : 310,595.87 = 144,001.77 : x
  2. Step 2: Convert to fraction form
    207,315.42/310,595.87 = 144,001.77/x
  3. Step 3: Cross multiply
    207,315.42x = 310,595.87 × 144,001.77
  4. Step 4: Simplify right side
    207,315.42x = 44,726,354,314.68
  5. Step 5: Solve for x
    x = 44,726,354,314.68/207,315.42
  6. Step 6: Final answer
    x = 215,740.61

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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.