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Finding the Fourth Proportional to 555,345.25, 833,048.80 and 155,954.74

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Solution

The fourth proportional to 555,345.25, 833,048.80 and 155,954.74 is: 233,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,345.25 : 833,048.80 = 155,954.74 : x
  2. Step 2: Convert to fraction form
    555,345.25/833,048.80 = 155,954.74/x
  3. Step 3: Cross multiply
    555,345.25x = 833,048.80 × 155,954.74
  4. Step 4: Simplify right side
    555,345.25x = 129,917,911,320.97
  5. Step 5: Solve for x
    x = 129,917,911,320.97/555,345.25
  6. Step 6: Final answer
    x = 233,940.80

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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.