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Finding the Fourth Proportional to 359,459.93, 496,051.28 and 198,316.28

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Solution

The fourth proportional to 359,459.93, 496,051.28 and 198,316.28 is: 273,674.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,459.93 : 496,051.28 = 198,316.28 : x
  2. Step 2: Convert to fraction form
    359,459.93/496,051.28 = 198,316.28/x
  3. Step 3: Cross multiply
    359,459.93x = 496,051.28 × 198,316.28
  4. Step 4: Simplify right side
    359,459.93x = 98,375,044,538.84
  5. Step 5: Solve for x
    x = 98,375,044,538.84/359,459.93
  6. Step 6: Final answer
    x = 273,674.58

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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.