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Finding the Fourth Proportional to 453,408.71, 625,703.94 and 249,455.16

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Solution

The fourth proportional to 453,408.71, 625,703.94 and 249,455.16 is: 344,248.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,408.71 : 625,703.94 = 249,455.16 : x
  2. Step 2: Convert to fraction form
    453,408.71/625,703.94 = 249,455.16/x
  3. Step 3: Cross multiply
    453,408.71x = 625,703.94 × 249,455.16
  4. Step 4: Simplify right side
    453,408.71x = 156,085,076,465.33
  5. Step 5: Solve for x
    x = 156,085,076,465.33/453,408.71
  6. Step 6: Final answer
    x = 344,248.08

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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.