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Finding the Fourth Proportional to 359,649.68, 496,484.52 and 208,717.52

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Solution

The fourth proportional to 359,649.68, 496,484.52 and 208,717.52 is: 288,127.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,649.68 : 496,484.52 = 208,717.52 : x
  2. Step 2: Convert to fraction form
    359,649.68/496,484.52 = 208,717.52/x
  3. Step 3: Cross multiply
    359,649.68x = 496,484.52 × 208,717.52
  4. Step 4: Simplify right side
    359,649.68x = 103,625,017,732.79
  5. Step 5: Solve for x
    x = 103,625,017,732.79/359,649.68
  6. Step 6: Final answer
    x = 288,127.65

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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.