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Finding the Fourth Proportional to 410,878.11, 567,186.36 and 249,784.59

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Solution

The fourth proportional to 410,878.11, 567,186.36 and 249,784.59 is: 344,808.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,878.11 : 567,186.36 = 249,784.59 : x
  2. Step 2: Convert to fraction form
    410,878.11/567,186.36 = 249,784.59/x
  3. Step 3: Cross multiply
    410,878.11x = 567,186.36 × 249,784.59
  4. Step 4: Simplify right side
    410,878.11x = 141,674,412,386.19
  5. Step 5: Solve for x
    x = 141,674,412,386.19/410,878.11
  6. Step 6: Final answer
    x = 344,808.86

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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.