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Finding the Fourth Proportional to 573,066.36, 859,304.16 and 257,252.76

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Solution

The fourth proportional to 573,066.36, 859,304.16 and 257,252.76 is: 385,746.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,066.36 : 859,304.16 = 257,252.76 : x
  2. Step 2: Convert to fraction form
    573,066.36/859,304.16 = 257,252.76/x
  3. Step 3: Cross multiply
    573,066.36x = 859,304.16 × 257,252.76
  4. Step 4: Simplify right side
    573,066.36x = 221,058,366,839.48
  5. Step 5: Solve for x
    x = 221,058,366,839.48/573,066.36
  6. Step 6: Final answer
    x = 385,746.54

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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.