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Finding the Fourth Proportional to 314,694.70, 472,042.50 and 240,237.60

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Solution

The fourth proportional to 314,694.70, 472,042.50 and 240,237.60 is: 360,356.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,694.70 : 472,042.50 = 240,237.60 : x
  2. Step 2: Convert to fraction form
    314,694.70/472,042.50 = 240,237.60/x
  3. Step 3: Cross multiply
    314,694.70x = 472,042.50 × 240,237.60
  4. Step 4: Simplify right side
    314,694.70x = 113,402,357,298
  5. Step 5: Solve for x
    x = 113,402,357,298/314,694.70
  6. Step 6: Final answer
    x = 360,356.74

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1.5x scale

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.