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Finding the Fourth Proportional to 402,337.60, 603,895.20 and 244,873.60

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Solution

The fourth proportional to 402,337.60, 603,895.20 and 244,873.60 is: 367,547.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,337.60 : 603,895.20 = 244,873.60 : x
  2. Step 2: Convert to fraction form
    402,337.60/603,895.20 = 244,873.60/x
  3. Step 3: Cross multiply
    402,337.60x = 603,895.20 × 244,873.60
  4. Step 4: Simplify right side
    402,337.60x = 147,877,991,646.72
  5. Step 5: Solve for x
    x = 147,877,991,646.72/402,337.60
  6. Step 6: Final answer
    x = 367,547.03

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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.