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Finding the Fourth Proportional to 704,392.80, 1,056,200.40 and 230,834.40

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Solution

The fourth proportional to 704,392.80, 1,056,200.40 and 230,834.40 is: 346,124.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,392.80 : 1,056,200.40 = 230,834.40 : x
  2. Step 2: Convert to fraction form
    704,392.80/1,056,200.40 = 230,834.40/x
  3. Step 3: Cross multiply
    704,392.80x = 1,056,200.40 × 230,834.40
  4. Step 4: Simplify right side
    704,392.80x = 243,807,385,613.76
  5. Step 5: Solve for x
    x = 243,807,385,613.76/704,392.80
  6. Step 6: Final answer
    x = 346,124.19

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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.