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Finding the Fourth Proportional to 473,380.80, 710,508.60 and 236,893.20

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Solution

The fourth proportional to 473,380.80, 710,508.60 and 236,893.20 is: 355,558.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,380.80 : 710,508.60 = 236,893.20 : x
  2. Step 2: Convert to fraction form
    473,380.80/710,508.60 = 236,893.20/x
  3. Step 3: Cross multiply
    473,380.80x = 710,508.60 × 236,893.20
  4. Step 4: Simplify right side
    473,380.80x = 168,314,655,881.52
  5. Step 5: Solve for x
    x = 168,314,655,881.52/473,380.80
  6. Step 6: Final answer
    x = 355,558.69

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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.