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Finding the Fourth Proportional to 649,479.47, 896,275.73 and 359,111.14

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Solution

The fourth proportional to 649,479.47, 896,275.73 and 359,111.14 is: 495,570.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,479.47 : 896,275.73 = 359,111.14 : x
  2. Step 2: Convert to fraction form
    649,479.47/896,275.73 = 359,111.14/x
  3. Step 3: Cross multiply
    649,479.47x = 896,275.73 × 359,111.14
  4. Step 4: Simplify right side
    649,479.47x = 321,862,597,811.72
  5. Step 5: Solve for x
    x = 321,862,597,811.72/649,479.47
  6. Step 6: Final answer
    x = 495,570.09

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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.