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Finding the Fourth Proportional to 462,560.04, 638,439.54 and 301,134

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Solution

The fourth proportional to 462,560.04, 638,439.54 and 301,134 is: 415,634.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,560.04 : 638,439.54 = 301,134 : x
  2. Step 2: Convert to fraction form
    462,560.04/638,439.54 = 301,134/x
  3. Step 3: Cross multiply
    462,560.04x = 638,439.54 × 301,134
  4. Step 4: Simplify right side
    462,560.04x = 192,255,852,438.36
  5. Step 5: Solve for x
    x = 192,255,852,438.36/462,560.04
  6. Step 6: Final answer
    x = 415,634.37

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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.