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Finding the Fourth Proportional to 577,646.80, 866,009.40 and 244,949.20

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Solution

The fourth proportional to 577,646.80, 866,009.40 and 244,949.20 is: 367,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,646.80 : 866,009.40 = 244,949.20 : x
  2. Step 2: Convert to fraction form
    577,646.80/866,009.40 = 244,949.20/x
  3. Step 3: Cross multiply
    577,646.80x = 866,009.40 × 244,949.20
  4. Step 4: Simplify right side
    577,646.80x = 212,128,309,722.48
  5. Step 5: Solve for x
    x = 212,128,309,722.48/577,646.80
  6. Step 6: Final answer
    x = 367,228.40

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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.