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Finding the Fourth Proportional to 294,079.80, 437,793.99 and 292,330.20

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Solution

The fourth proportional to 294,079.80, 437,793.99 and 292,330.20 is: 435,189.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,079.80 : 437,793.99 = 292,330.20 : x
  2. Step 2: Convert to fraction form
    294,079.80/437,793.99 = 292,330.20/x
  3. Step 3: Cross multiply
    294,079.80x = 437,793.99 × 292,330.20
  4. Step 4: Simplify right side
    294,079.80x = 127,980,404,655.50
  5. Step 5: Solve for x
    x = 127,980,404,655.50/294,079.80
  6. Step 6: Final answer
    x = 435,189.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.