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Finding the Fourth Proportional to 1,248,698.66, 1,872,836.73 and 349,933.54

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Solution

The fourth proportional to 1,248,698.66, 1,872,836.73 and 349,933.54 is: 524,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,698.66 : 1,872,836.73 = 349,933.54 : x
  2. Step 2: Convert to fraction form
    1,248,698.66/1,872,836.73 = 349,933.54/x
  3. Step 3: Cross multiply
    1,248,698.66x = 1,872,836.73 × 349,933.54
  4. Step 4: Simplify right side
    1,248,698.66x = 655,368,390,375.64
  5. Step 5: Solve for x
    x = 655,368,390,375.64/1,248,698.66
  6. Step 6: Final answer
    x = 524,841.11

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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.