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Finding the Fourth Proportional to 388,023.04, 585,678.92 and 388,023.04

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Solution

The fourth proportional to 388,023.04, 585,678.92 and 388,023.04 is: 585,678.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,023.04 : 585,678.92 = 388,023.04 : x
  2. Step 2: Convert to fraction form
    388,023.04/585,678.92 = 388,023.04/x
  3. Step 3: Cross multiply
    388,023.04x = 585,678.92 × 388,023.04
  4. Step 4: Simplify right side
    388,023.04x = 227,256,915,002.32
  5. Step 5: Solve for x
    x = 227,256,915,002.32/388,023.04
  6. Step 6: Final answer
    x = 585,678.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.