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Finding the Fourth Proportional to 632,886.67, 873,382.12 and 346,404.25

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Solution

The fourth proportional to 632,886.67, 873,382.12 and 346,404.25 is: 478,037.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,886.67 : 873,382.12 = 346,404.25 : x
  2. Step 2: Convert to fraction form
    632,886.67/873,382.12 = 346,404.25/x
  3. Step 3: Cross multiply
    632,886.67x = 873,382.12 × 346,404.25
  4. Step 4: Simplify right side
    632,886.67x = 302,543,278,242.01
  5. Step 5: Solve for x
    x = 302,543,278,242.01/632,886.67
  6. Step 6: Final answer
    x = 478,037.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.