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Finding the Fourth Proportional to 333,440.51, 499,909.22 and 108,666.72

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Solution

The fourth proportional to 333,440.51, 499,909.22 and 108,666.72 is: 162,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,440.51 : 499,909.22 = 108,666.72 : x
  2. Step 2: Convert to fraction form
    333,440.51/499,909.22 = 108,666.72/x
  3. Step 3: Cross multiply
    333,440.51x = 499,909.22 × 108,666.72
  4. Step 4: Simplify right side
    333,440.51x = 54,323,494,691.82
  5. Step 5: Solve for x
    x = 54,323,494,691.82/333,440.51
  6. Step 6: Final answer
    x = 162,918.10

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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.