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Finding the Fourth Proportional to 625,547.46, 937,249.89 and 341,437.38

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Solution

The fourth proportional to 625,547.46, 937,249.89 and 341,437.38 is: 511,571.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,547.46 : 937,249.89 = 341,437.38 : x
  2. Step 2: Convert to fraction form
    625,547.46/937,249.89 = 341,437.38/x
  3. Step 3: Cross multiply
    625,547.46x = 937,249.89 × 341,437.38
  4. Step 4: Simplify right side
    625,547.46x = 320,012,142,051.81
  5. Step 5: Solve for x
    x = 320,012,142,051.81/625,547.46
  6. Step 6: Final answer
    x = 511,571.33

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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.