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Finding the Fourth Proportional to 888,466.16, 1,332,698.16 and 289,426.32

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Solution

The fourth proportional to 888,466.16, 1,332,698.16 and 289,426.32 is: 434,139.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,466.16 : 1,332,698.16 = 289,426.32 : x
  2. Step 2: Convert to fraction form
    888,466.16/1,332,698.16 = 289,426.32/x
  3. Step 3: Cross multiply
    888,466.16x = 1,332,698.16 × 289,426.32
  4. Step 4: Simplify right side
    888,466.16x = 385,717,924,119.57
  5. Step 5: Solve for x
    x = 385,717,924,119.57/888,466.16
  6. Step 6: Final answer
    x = 434,139.13

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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.