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Finding the Fourth Proportional to 333,306.24, 499,962.60 and 83,988.24

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Solution

The fourth proportional to 333,306.24, 499,962.60 and 83,988.24 is: 125,983.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,306.24 : 499,962.60 = 83,988.24 : x
  2. Step 2: Convert to fraction form
    333,306.24/499,962.60 = 83,988.24/x
  3. Step 3: Cross multiply
    333,306.24x = 499,962.60 × 83,988.24
  4. Step 4: Simplify right side
    333,306.24x = 41,990,978,839.82
  5. Step 5: Solve for x
    x = 41,990,978,839.82/333,306.24
  6. Step 6: Final answer
    x = 125,983.18

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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.