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Finding the Fourth Proportional to 483,411.32, 725,131.28 and 230,718.40

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Solution

The fourth proportional to 483,411.32, 725,131.28 and 230,718.40 is: 346,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,411.32 : 725,131.28 = 230,718.40 : x
  2. Step 2: Convert to fraction form
    483,411.32/725,131.28 = 230,718.40/x
  3. Step 3: Cross multiply
    483,411.32x = 725,131.28 × 230,718.40
  4. Step 4: Simplify right side
    483,411.32x = 167,301,128,711.55
  5. Step 5: Solve for x
    x = 167,301,128,711.55/483,411.32
  6. Step 6: Final answer
    x = 346,084.42

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1.5x scale

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.