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Finding the Fourth Proportional to 616,539.20, 924,808.80 and 195,857.60

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Solution

The fourth proportional to 616,539.20, 924,808.80 and 195,857.60 is: 293,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,539.20 : 924,808.80 = 195,857.60 : x
  2. Step 2: Convert to fraction form
    616,539.20/924,808.80 = 195,857.60/x
  3. Step 3: Cross multiply
    616,539.20x = 924,808.80 × 195,857.60
  4. Step 4: Simplify right side
    616,539.20x = 181,130,832,026.88
  5. Step 5: Solve for x
    x = 181,130,832,026.88/616,539.20
  6. Step 6: Final answer
    x = 293,786.40

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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.