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Finding the Fourth Proportional to 651,305.40, 977,130.90 and 230,537.40

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Solution

The fourth proportional to 651,305.40, 977,130.90 and 230,537.40 is: 345,867.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,305.40 : 977,130.90 = 230,537.40 : x
  2. Step 2: Convert to fraction form
    651,305.40/977,130.90 = 230,537.40/x
  3. Step 3: Cross multiply
    651,305.40x = 977,130.90 × 230,537.40
  4. Step 4: Simplify right side
    651,305.40x = 225,265,217,145.66
  5. Step 5: Solve for x
    x = 225,265,217,145.66/651,305.40
  6. Step 6: Final answer
    x = 345,867.26

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1.5x scale

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.