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Finding the Fourth Proportional to 359,751.96, 496,444.68 and 198,603.54

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Solution

The fourth proportional to 359,751.96, 496,444.68 and 198,603.54 is: 274,065.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,751.96 : 496,444.68 = 198,603.54 : x
  2. Step 2: Convert to fraction form
    359,751.96/496,444.68 = 198,603.54/x
  3. Step 3: Cross multiply
    359,751.96x = 496,444.68 × 198,603.54
  4. Step 4: Simplify right side
    359,751.96x = 98,595,670,862.17
  5. Step 5: Solve for x
    x = 98,595,670,862.17/359,751.96
  6. Step 6: Final answer
    x = 274,065.69

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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.