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Finding the Fourth Proportional to 492,073.65, 738,110.48 and 448,528.05

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Solution

The fourth proportional to 492,073.65, 738,110.48 and 448,528.05 is: 672,792.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,073.65 : 738,110.48 = 448,528.05 : x
  2. Step 2: Convert to fraction form
    492,073.65/738,110.48 = 448,528.05/x
  3. Step 3: Cross multiply
    492,073.65x = 738,110.48 × 448,528.05
  4. Step 4: Simplify right side
    492,073.65x = 331,063,252,036.32
  5. Step 5: Solve for x
    x = 331,063,252,036.32/492,073.65
  6. Step 6: Final answer
    x = 672,792.08

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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.