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Finding the Fourth Proportional to 574,908.60, 862,362.90 and 565,577.40

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Solution

The fourth proportional to 574,908.60, 862,362.90 and 565,577.40 is: 848,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,908.60 : 862,362.90 = 565,577.40 : x
  2. Step 2: Convert to fraction form
    574,908.60/862,362.90 = 565,577.40/x
  3. Step 3: Cross multiply
    574,908.60x = 862,362.90 × 565,577.40
  4. Step 4: Simplify right side
    574,908.60x = 487,732,966,838.46
  5. Step 5: Solve for x
    x = 487,732,966,838.46/574,908.60
  6. Step 6: Final answer
    x = 848,366.10

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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.