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Finding the Fourth Proportional to 539,148.98, 808,637.58 and 179,289.86

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Solution

The fourth proportional to 539,148.98, 808,637.58 and 179,289.86 is: 268,906.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,148.98 : 808,637.58 = 179,289.86 : x
  2. Step 2: Convert to fraction form
    539,148.98/808,637.58 = 179,289.86/x
  3. Step 3: Cross multiply
    539,148.98x = 808,637.58 × 179,289.86
  4. Step 4: Simplify right side
    539,148.98x = 144,980,518,508.94
  5. Step 5: Solve for x
    x = 144,980,518,508.94/539,148.98
  6. Step 6: Final answer
    x = 268,906.23

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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.