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Finding the Fourth Proportional to 600,681.96, 828,859.23 and 358,913.43

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Solution

The fourth proportional to 600,681.96, 828,859.23 and 358,913.43 is: 495,251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,681.96 : 828,859.23 = 358,913.43 : x
  2. Step 2: Convert to fraction form
    600,681.96/828,859.23 = 358,913.43/x
  3. Step 3: Cross multiply
    600,681.96x = 828,859.23 × 358,913.43
  4. Step 4: Simplify right side
    600,681.96x = 297,488,709,226.46
  5. Step 5: Solve for x
    x = 297,488,709,226.46/600,681.96
  6. Step 6: Final answer
    x = 495,251.61

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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.