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Finding the Fourth Proportional to 453,199.71, 625,415.82 and 249,264.46

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Solution

The fourth proportional to 453,199.71, 625,415.82 and 249,264.46 is: 343,985.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,199.71 : 625,415.82 = 249,264.46 : x
  2. Step 2: Convert to fraction form
    453,199.71/625,415.82 = 249,264.46/x
  3. Step 3: Cross multiply
    453,199.71x = 625,415.82 × 249,264.46
  4. Step 4: Simplify right side
    453,199.71x = 155,893,939,305.35
  5. Step 5: Solve for x
    x = 155,893,939,305.35/453,199.71
  6. Step 6: Final answer
    x = 343,985.08

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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.