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Finding the Fourth Proportional to 301,641.15, 452,461.31 and 77,001.57

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Solution

The fourth proportional to 301,641.15, 452,461.31 and 77,001.57 is: 115,502.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,641.15 : 452,461.31 = 77,001.57 : x
  2. Step 2: Convert to fraction form
    301,641.15/452,461.31 = 77,001.57/x
  3. Step 3: Cross multiply
    301,641.15x = 452,461.31 × 77,001.57
  4. Step 4: Simplify right side
    301,641.15x = 34,840,231,234.26
  5. Step 5: Solve for x
    x = 34,840,231,234.26/301,641.15
  6. Step 6: Final answer
    x = 115,502.25

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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.