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Finding the Fourth Proportional to 359,699.18, 496,383.13 and 198,552.81

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Solution

The fourth proportional to 359,699.18, 496,383.13 and 198,552.81 is: 274,001.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,699.18 : 496,383.13 = 198,552.81 : x
  2. Step 2: Convert to fraction form
    359,699.18/496,383.13 = 198,552.81/x
  3. Step 3: Cross multiply
    359,699.18x = 496,383.13 × 198,552.81
  4. Step 4: Simplify right side
    359,699.18x = 98,558,264,801.71
  5. Step 5: Solve for x
    x = 98,558,264,801.71/359,699.18
  6. Step 6: Final answer
    x = 274,001.92

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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.