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Finding the Fourth Proportional to 472,092.81, 651,488.16 and 257,232.93

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Solution

The fourth proportional to 472,092.81, 651,488.16 and 257,232.93 is: 354,981.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,092.81 : 651,488.16 = 257,232.93 : x
  2. Step 2: Convert to fraction form
    472,092.81/651,488.16 = 257,232.93/x
  3. Step 3: Cross multiply
    472,092.81x = 651,488.16 × 257,232.93
  4. Step 4: Simplify right side
    472,092.81x = 167,584,208,257.11
  5. Step 5: Solve for x
    x = 167,584,208,257.11/472,092.81
  6. Step 6: Final answer
    x = 354,981.49

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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.