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Finding the Fourth Proportional to 417,172.08, 575,701.88 and 245,097.24

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Solution

The fourth proportional to 417,172.08, 575,701.88 and 245,097.24 is: 338,236.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,172.08 : 575,701.88 = 245,097.24 : x
  2. Step 2: Convert to fraction form
    417,172.08/575,701.88 = 245,097.24/x
  3. Step 3: Cross multiply
    417,172.08x = 575,701.88 × 245,097.24
  4. Step 4: Simplify right side
    417,172.08x = 141,102,941,850.81
  5. Step 5: Solve for x
    x = 141,102,941,850.81/417,172.08
  6. Step 6: Final answer
    x = 338,236.78

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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.