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Finding the Fourth Proportional to 558,565.02, 770,797.02 and 316,842.40

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Solution

The fourth proportional to 558,565.02, 770,797.02 and 316,842.40 is: 437,229.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,565.02 : 770,797.02 = 316,842.40 : x
  2. Step 2: Convert to fraction form
    558,565.02/770,797.02 = 316,842.40/x
  3. Step 3: Cross multiply
    558,565.02x = 770,797.02 × 316,842.40
  4. Step 4: Simplify right side
    558,565.02x = 244,221,177,308.84
  5. Step 5: Solve for x
    x = 244,221,177,308.84/558,565.02
  6. Step 6: Final answer
    x = 437,229.63

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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.