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Finding the Fourth Proportional to 416,794.56, 575,111.52 and 247,001.28

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Solution

The fourth proportional to 416,794.56, 575,111.52 and 247,001.28 is: 340,823.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,794.56 : 575,111.52 = 247,001.28 : x
  2. Step 2: Convert to fraction form
    416,794.56/575,111.52 = 247,001.28/x
  3. Step 3: Cross multiply
    416,794.56x = 575,111.52 × 247,001.28
  4. Step 4: Simplify right side
    416,794.56x = 142,053,281,582.75
  5. Step 5: Solve for x
    x = 142,053,281,582.75/416,794.56
  6. Step 6: Final answer
    x = 340,823.26

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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.