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Finding the Fourth Proportional to 415,393.04, 573,378.65 and 252,056.95

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Solution

The fourth proportional to 415,393.04, 573,378.65 and 252,056.95 is: 347,921.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,393.04 : 573,378.65 = 252,056.95 : x
  2. Step 2: Convert to fraction form
    415,393.04/573,378.65 = 252,056.95/x
  3. Step 3: Cross multiply
    415,393.04x = 573,378.65 × 252,056.95
  4. Step 4: Simplify right side
    415,393.04x = 144,524,071,965.60
  5. Step 5: Solve for x
    x = 144,524,071,965.60/415,393.04
  6. Step 6: Final answer
    x = 347,921.26

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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.