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Finding the Fourth Proportional to 464,418.35, 640,625.14 and 292,062.93

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Solution

The fourth proportional to 464,418.35, 640,625.14 and 292,062.93 is: 402,875.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,418.35 : 640,625.14 = 292,062.93 : x
  2. Step 2: Convert to fraction form
    464,418.35/640,625.14 = 292,062.93/x
  3. Step 3: Cross multiply
    464,418.35x = 640,625.14 × 292,062.93
  4. Step 4: Simplify right side
    464,418.35x = 187,102,854,689.90
  5. Step 5: Solve for x
    x = 187,102,854,689.90/464,418.35
  6. Step 6: Final answer
    x = 402,875.67

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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.