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Finding the Fourth Proportional to 649,502.34, 896,276.88 and 359,096.98

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Solution

The fourth proportional to 649,502.34, 896,276.88 and 359,096.98 is: 495,533.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,502.34 : 896,276.88 = 359,096.98 : x
  2. Step 2: Convert to fraction form
    649,502.34/896,276.88 = 359,096.98/x
  3. Step 3: Cross multiply
    649,502.34x = 896,276.88 × 359,096.98
  4. Step 4: Simplify right side
    649,502.34x = 321,850,320,851.82
  5. Step 5: Solve for x
    x = 321,850,320,851.82/649,502.34
  6. Step 6: Final answer
    x = 495,533.74

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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.