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Finding the Fourth Proportional to 330,873.18, 456,605.28 and 179,970.18

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Solution

The fourth proportional to 330,873.18, 456,605.28 and 179,970.18 is: 248,359.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,873.18 : 456,605.28 = 179,970.18 : x
  2. Step 2: Convert to fraction form
    330,873.18/456,605.28 = 179,970.18/x
  3. Step 3: Cross multiply
    330,873.18x = 456,605.28 × 179,970.18
  4. Step 4: Simplify right side
    330,873.18x = 82,175,334,430.55
  5. Step 5: Solve for x
    x = 82,175,334,430.55/330,873.18
  6. Step 6: Final answer
    x = 248,359.01

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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.