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Finding the Fourth Proportional to 575,309.64, 862,964 and 154,585.52

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Solution

The fourth proportional to 575,309.64, 862,964 and 154,585.52 is: 231,878.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,309.64 : 862,964 = 154,585.52 : x
  2. Step 2: Convert to fraction form
    575,309.64/862,964 = 154,585.52/x
  3. Step 3: Cross multiply
    575,309.64x = 862,964 × 154,585.52
  4. Step 4: Simplify right side
    575,309.64x = 133,401,738,681.28
  5. Step 5: Solve for x
    x = 133,401,738,681.28/575,309.64
  6. Step 6: Final answer
    x = 231,878.16

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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.