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Finding the Fourth Proportional to 623,807.80, 934,329.30 and 483,110.20

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Solution

The fourth proportional to 623,807.80, 934,329.30 and 483,110.20 is: 723,594.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,807.80 : 934,329.30 = 483,110.20 : x
  2. Step 2: Convert to fraction form
    623,807.80/934,329.30 = 483,110.20/x
  3. Step 3: Cross multiply
    623,807.80x = 934,329.30 × 483,110.20
  4. Step 4: Simplify right side
    623,807.80x = 451,384,014,988.86
  5. Step 5: Solve for x
    x = 451,384,014,988.86/623,807.80
  6. Step 6: Final answer
    x = 723,594.70

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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.