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Finding the Fourth Proportional to 347,703.60, 521,401.80 and 160,772.40

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Solution

The fourth proportional to 347,703.60, 521,401.80 and 160,772.40 is: 241,087.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,703.60 : 521,401.80 = 160,772.40 : x
  2. Step 2: Convert to fraction form
    347,703.60/521,401.80 = 160,772.40/x
  3. Step 3: Cross multiply
    347,703.60x = 521,401.80 × 160,772.40
  4. Step 4: Simplify right side
    347,703.60x = 83,827,018,750.32
  5. Step 5: Solve for x
    x = 83,827,018,750.32/347,703.60
  6. Step 6: Final answer
    x = 241,087.58

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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.