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Finding the Fourth Proportional to 543,462.12, 750,001.20 and 301,744.74

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Solution

The fourth proportional to 543,462.12, 750,001.20 and 301,744.74 is: 416,420.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,462.12 : 750,001.20 = 301,744.74 : x
  2. Step 2: Convert to fraction form
    543,462.12/750,001.20 = 301,744.74/x
  3. Step 3: Cross multiply
    543,462.12x = 750,001.20 × 301,744.74
  4. Step 4: Simplify right side
    543,462.12x = 226,308,917,093.69
  5. Step 5: Solve for x
    x = 226,308,917,093.69/543,462.12
  6. Step 6: Final answer
    x = 416,420.77

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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.