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Finding the Fourth Proportional to 560,392.25, 773,341.31 and 359,188.25

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Solution

The fourth proportional to 560,392.25, 773,341.31 and 359,188.25 is: 495,679.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,392.25 : 773,341.31 = 359,188.25 : x
  2. Step 2: Convert to fraction form
    560,392.25/773,341.31 = 359,188.25/x
  3. Step 3: Cross multiply
    560,392.25x = 773,341.31 × 359,188.25
  4. Step 4: Simplify right side
    560,392.25x = 277,775,109,995.67
  5. Step 5: Solve for x
    x = 277,775,109,995.67/560,392.25
  6. Step 6: Final answer
    x = 495,679.79

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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.