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Finding the Fourth Proportional to 651,570.30, 977,009.85 and 230,859.90

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Solution

The fourth proportional to 651,570.30, 977,009.85 and 230,859.90 is: 346,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,570.30 : 977,009.85 = 230,859.90 : x
  2. Step 2: Convert to fraction form
    651,570.30/977,009.85 = 230,859.90/x
  3. Step 3: Cross multiply
    651,570.30x = 977,009.85 × 230,859.90
  4. Step 4: Simplify right side
    651,570.30x = 225,552,396,270.02
  5. Step 5: Solve for x
    x = 225,552,396,270.02/651,570.30
  6. Step 6: Final answer
    x = 346,167.40

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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.