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Finding the Fourth Proportional to 1,001,666.20, 1,502,502 and 291,711.64

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Solution

The fourth proportional to 1,001,666.20, 1,502,502 and 291,711.64 is: 437,568.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,666.20 : 1,502,502 = 291,711.64 : x
  2. Step 2: Convert to fraction form
    1,001,666.20/1,502,502 = 291,711.64/x
  3. Step 3: Cross multiply
    1,001,666.20x = 1,502,502 × 291,711.64
  4. Step 4: Simplify right side
    1,001,666.20x = 438,297,322,523.28
  5. Step 5: Solve for x
    x = 438,297,322,523.28/1,001,666.20
  6. Step 6: Final answer
    x = 437,568.25

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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.