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Finding the Fourth Proportional to 824,008.80, 1,234,846.80 and 723,698.40

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Solution

The fourth proportional to 824,008.80, 1,234,846.80 and 723,698.40 is: 1,084,523.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,008.80 : 1,234,846.80 = 723,698.40 : x
  2. Step 2: Convert to fraction form
    824,008.80/1,234,846.80 = 723,698.40/x
  3. Step 3: Cross multiply
    824,008.80x = 1,234,846.80 × 723,698.40
  4. Step 4: Simplify right side
    824,008.80x = 893,656,653,405.12
  5. Step 5: Solve for x
    x = 893,656,653,405.12/824,008.80
  6. Step 6: Final answer
    x = 1,084,523.19

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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.