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Finding the Fourth Proportional to 348,534.16, 522,143.96 and 205,954.32

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Solution

The fourth proportional to 348,534.16, 522,143.96 and 205,954.32 is: 308,543.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,534.16 : 522,143.96 = 205,954.32 : x
  2. Step 2: Convert to fraction form
    348,534.16/522,143.96 = 205,954.32/x
  3. Step 3: Cross multiply
    348,534.16x = 522,143.96 × 205,954.32
  4. Step 4: Simplify right side
    348,534.16x = 107,537,804,223.91
  5. Step 5: Solve for x
    x = 107,537,804,223.91/348,534.16
  6. Step 6: Final answer
    x = 308,543.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.