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Finding the Fourth Proportional to 314,818.80, 472,228.20 and 202,844.40

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Solution

The fourth proportional to 314,818.80, 472,228.20 and 202,844.40 is: 304,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,818.80 : 472,228.20 = 202,844.40 : x
  2. Step 2: Convert to fraction form
    314,818.80/472,228.20 = 202,844.40/x
  3. Step 3: Cross multiply
    314,818.80x = 472,228.20 × 202,844.40
  4. Step 4: Simplify right side
    314,818.80x = 95,788,845,892.08
  5. Step 5: Solve for x
    x = 95,788,845,892.08/314,818.80
  6. Step 6: Final answer
    x = 304,266.60

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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.