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Finding the Fourth Proportional to 452,971.88, 625,109.22 and 249,031.40

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Solution

The fourth proportional to 452,971.88, 625,109.22 and 249,031.40 is: 343,667.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,971.88 : 625,109.22 = 249,031.40 : x
  2. Step 2: Convert to fraction form
    452,971.88/625,109.22 = 249,031.40/x
  3. Step 3: Cross multiply
    452,971.88x = 625,109.22 × 249,031.40
  4. Step 4: Simplify right side
    452,971.88x = 155,671,824,209.51
  5. Step 5: Solve for x
    x = 155,671,824,209.51/452,971.88
  6. Step 6: Final answer
    x = 343,667.74

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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.