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Finding the Fourth Proportional to 594,557.80, 891,972.92 and 257,655

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Solution

The fourth proportional to 594,557.80, 891,972.92 and 257,655 is: 386,541.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,557.80 : 891,972.92 = 257,655 : x
  2. Step 2: Convert to fraction form
    594,557.80/891,972.92 = 257,655/x
  3. Step 3: Cross multiply
    594,557.80x = 891,972.92 × 257,655
  4. Step 4: Simplify right side
    594,557.80x = 229,821,282,702.60
  5. Step 5: Solve for x
    x = 229,821,282,702.60/594,557.80
  6. Step 6: Final answer
    x = 386,541.53

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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.