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Finding the Fourth Proportional to 649,333.95, 896,067.63 and 358,957.76

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Solution

The fourth proportional to 649,333.95, 896,067.63 and 358,957.76 is: 495,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,333.95 : 896,067.63 = 358,957.76 : x
  2. Step 2: Convert to fraction form
    649,333.95/896,067.63 = 358,957.76/x
  3. Step 3: Cross multiply
    649,333.95x = 896,067.63 × 358,957.76
  4. Step 4: Simplify right side
    649,333.95x = 321,650,429,833.35
  5. Step 5: Solve for x
    x = 321,650,429,833.35/649,333.95
  6. Step 6: Final answer
    x = 495,354.40

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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.