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Finding the Fourth Proportional to 462,866.86, 638,726.26 and 258,882.48

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Solution

The fourth proportional to 462,866.86, 638,726.26 and 258,882.48 is: 357,241.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,866.86 : 638,726.26 = 258,882.48 : x
  2. Step 2: Convert to fraction form
    462,866.86/638,726.26 = 258,882.48/x
  3. Step 3: Cross multiply
    462,866.86x = 638,726.26 × 258,882.48
  4. Step 4: Simplify right side
    462,866.86x = 165,355,038,068.12
  5. Step 5: Solve for x
    x = 165,355,038,068.12/462,866.86
  6. Step 6: Final answer
    x = 357,241.04

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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.