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Finding the Fourth Proportional to 954,992, 1,317,889.64 and 525,304.80

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Solution

The fourth proportional to 954,992, 1,317,889.64 and 525,304.80 is: 724,921.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,992 : 1,317,889.64 = 525,304.80 : x
  2. Step 2: Convert to fraction form
    954,992/1,317,889.64 = 525,304.80/x
  3. Step 3: Cross multiply
    954,992x = 1,317,889.64 × 525,304.80
  4. Step 4: Simplify right side
    954,992x = 692,293,753,762.27
  5. Step 5: Solve for x
    x = 692,293,753,762.27/954,992
  6. Step 6: Final answer
    x = 724,921.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.