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Finding the Fourth Proportional to 608,931.47, 912,680.97 and 248,880.20

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Solution

The fourth proportional to 608,931.47, 912,680.97 and 248,880.20 is: 373,027.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,931.47 : 912,680.97 = 248,880.20 : x
  2. Step 2: Convert to fraction form
    608,931.47/912,680.97 = 248,880.20/x
  3. Step 3: Cross multiply
    608,931.47x = 912,680.97 × 248,880.20
  4. Step 4: Simplify right side
    608,931.47x = 227,148,216,853.09
  5. Step 5: Solve for x
    x = 227,148,216,853.09/608,931.47
  6. Step 6: Final answer
    x = 373,027.55

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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.