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Finding the Fourth Proportional to 360,216.76, 497,122.68 and 239,168.56

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Solution

The fourth proportional to 360,216.76, 497,122.68 and 239,168.56 is: 330,068.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,216.76 : 497,122.68 = 239,168.56 : x
  2. Step 2: Convert to fraction form
    360,216.76/497,122.68 = 239,168.56/x
  3. Step 3: Cross multiply
    360,216.76x = 497,122.68 × 239,168.56
  4. Step 4: Simplify right side
    360,216.76x = 118,896,115,518.94
  5. Step 5: Solve for x
    x = 118,896,115,518.94/360,216.76
  6. Step 6: Final answer
    x = 330,068.25

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Double scale
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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.