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Finding the Fourth Proportional to 649,503.34, 896,278.26 and 359,097.98

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Solution

The fourth proportional to 649,503.34, 896,278.26 and 359,097.98 is: 495,535.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,503.34 : 896,278.26 = 359,097.98 : x
  2. Step 2: Convert to fraction form
    649,503.34/896,278.26 = 359,097.98/x
  3. Step 3: Cross multiply
    649,503.34x = 896,278.26 × 359,097.98
  4. Step 4: Simplify right side
    649,503.34x = 321,851,712,683.92
  5. Step 5: Solve for x
    x = 321,851,712,683.92/649,503.34
  6. Step 6: Final answer
    x = 495,535.12

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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.