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Finding the Fourth Proportional to 473,040.32, 652,790.60 and 258,178.64

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Solution

The fourth proportional to 473,040.32, 652,790.60 and 258,178.64 is: 356,283.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,040.32 : 652,790.60 = 258,178.64 : x
  2. Step 2: Convert to fraction form
    473,040.32/652,790.60 = 258,178.64/x
  3. Step 3: Cross multiply
    473,040.32x = 652,790.60 × 258,178.64
  4. Step 4: Simplify right side
    473,040.32x = 168,536,589,312.78
  5. Step 5: Solve for x
    x = 168,536,589,312.78/473,040.32
  6. Step 6: Final answer
    x = 356,283.77

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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.