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Finding the Fourth Proportional to 565,878.32, 847,983.68 and 423,053.55

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Solution

The fourth proportional to 565,878.32, 847,983.68 and 423,053.55 is: 633,956.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,878.32 : 847,983.68 = 423,053.55 : x
  2. Step 2: Convert to fraction form
    565,878.32/847,983.68 = 423,053.55/x
  3. Step 3: Cross multiply
    565,878.32x = 847,983.68 × 423,053.55
  4. Step 4: Simplify right side
    565,878.32x = 358,742,504,050.80
  5. Step 5: Solve for x
    x = 358,742,504,050.80/565,878.32
  6. Step 6: Final answer
    x = 633,956.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.