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Finding the Fourth Proportional to 472,158, 651,578.04 and 260,190

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Solution

The fourth proportional to 472,158, 651,578.04 and 260,190 is: 359,062.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,158 : 651,578.04 = 260,190 : x
  2. Step 2: Convert to fraction form
    472,158/651,578.04 = 260,190/x
  3. Step 3: Cross multiply
    472,158x = 651,578.04 × 260,190
  4. Step 4: Simplify right side
    472,158x = 169,534,090,227.60
  5. Step 5: Solve for x
    x = 169,534,090,227.60/472,158
  6. Step 6: Final answer
    x = 359,062.20

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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.