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Finding the Fourth Proportional to 560,394.75, 773,344.76 and 359,190.75

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Solution

The fourth proportional to 560,394.75, 773,344.76 and 359,190.75 is: 495,683.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,394.75 : 773,344.76 = 359,190.75 : x
  2. Step 2: Convert to fraction form
    560,394.75/773,344.76 = 359,190.75/x
  3. Step 3: Cross multiply
    560,394.75x = 773,344.76 × 359,190.75
  4. Step 4: Simplify right side
    560,394.75x = 277,778,282,557.02
  5. Step 5: Solve for x
    x = 277,778,282,557.02/560,394.75
  6. Step 6: Final answer
    x = 495,683.24

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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.