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Finding the Fourth Proportional to 560,463.12, 773,439.12 and 359,259.12

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Solution

The fourth proportional to 560,463.12, 773,439.12 and 359,259.12 is: 495,777.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,463.12 : 773,439.12 = 359,259.12 : x
  2. Step 2: Convert to fraction form
    560,463.12/773,439.12 = 359,259.12/x
  3. Step 3: Cross multiply
    560,463.12x = 773,439.12 × 359,259.12
  4. Step 4: Simplify right side
    560,463.12x = 277,865,057,624.77
  5. Step 5: Solve for x
    x = 277,865,057,624.77/560,463.12
  6. Step 6: Final answer
    x = 495,777.59

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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.