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Finding the Fourth Proportional to 417,101.87, 575,630.09 and 235,815.52

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Solution

The fourth proportional to 417,101.87, 575,630.09 and 235,815.52 is: 325,442.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,101.87 : 575,630.09 = 235,815.52 : x
  2. Step 2: Convert to fraction form
    417,101.87/575,630.09 = 235,815.52/x
  3. Step 3: Cross multiply
    417,101.87x = 575,630.09 × 235,815.52
  4. Step 4: Simplify right side
    417,101.87x = 135,742,509,001.00
  5. Step 5: Solve for x
    x = 135,742,509,001.00/417,101.87
  6. Step 6: Final answer
    x = 325,442.10

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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.