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Finding the Fourth Proportional to 472,093.07, 651,488.49 and 257,233.13

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Solution

The fourth proportional to 472,093.07, 651,488.49 and 257,233.13 is: 354,981.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,093.07 : 651,488.49 = 257,233.13 : x
  2. Step 2: Convert to fraction form
    472,093.07/651,488.49 = 257,233.13/x
  3. Step 3: Cross multiply
    472,093.07x = 651,488.49 × 257,233.13
  4. Step 4: Simplify right side
    472,093.07x = 167,584,423,441.67
  5. Step 5: Solve for x
    x = 167,584,423,441.67/472,093.07
  6. Step 6: Final answer
    x = 354,981.75

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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.