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Finding the Fourth Proportional to 575,762.27, 864,391.76 and 442,735.92

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Solution

The fourth proportional to 575,762.27, 864,391.76 and 442,735.92 is: 664,679.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,762.27 : 864,391.76 = 442,735.92 : x
  2. Step 2: Convert to fraction form
    575,762.27/864,391.76 = 442,735.92/x
  3. Step 3: Cross multiply
    575,762.27x = 864,391.76 × 442,735.92
  4. Step 4: Simplify right side
    575,762.27x = 382,697,282,210.86
  5. Step 5: Solve for x
    x = 382,697,282,210.86/575,762.27
  6. Step 6: Final answer
    x = 664,679.34

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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.