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Finding the Fourth Proportional to 342,529.83, 472,681.44 and 189,574.29

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Solution

The fourth proportional to 342,529.83, 472,681.44 and 189,574.29 is: 261,607.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,529.83 : 472,681.44 = 189,574.29 : x
  2. Step 2: Convert to fraction form
    342,529.83/472,681.44 = 189,574.29/x
  3. Step 3: Cross multiply
    342,529.83x = 472,681.44 × 189,574.29
  4. Step 4: Simplify right side
    342,529.83x = 89,608,248,384.18
  5. Step 5: Solve for x
    x = 89,608,248,384.18/342,529.83
  6. Step 6: Final answer
    x = 261,607.14

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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.