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Finding the Fourth Proportional to 483,510.02, 725,264.19 and 128,524.05

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Solution

The fourth proportional to 483,510.02, 725,264.19 and 128,524.05 is: 192,785.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,510.02 : 725,264.19 = 128,524.05 : x
  2. Step 2: Convert to fraction form
    483,510.02/725,264.19 = 128,524.05/x
  3. Step 3: Cross multiply
    483,510.02x = 725,264.19 × 128,524.05
  4. Step 4: Simplify right side
    483,510.02x = 93,213,891,018.77
  5. Step 5: Solve for x
    x = 93,213,891,018.77/483,510.02
  6. Step 6: Final answer
    x = 192,785.85

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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.