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Finding the Fourth Proportional to 624,594.72, 862,437.60 and 576,830.64

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Solution

The fourth proportional to 624,594.72, 862,437.60 and 576,830.64 is: 796,485.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,594.72 : 862,437.60 = 576,830.64 : x
  2. Step 2: Convert to fraction form
    624,594.72/862,437.60 = 576,830.64/x
  3. Step 3: Cross multiply
    624,594.72x = 862,437.60 × 576,830.64
  4. Step 4: Simplify right side
    624,594.72x = 497,480,432,768.06
  5. Step 5: Solve for x
    x = 497,480,432,768.06/624,594.72
  6. Step 6: Final answer
    x = 796,485.17

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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.