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Finding the Fourth Proportional to 677,552.04, 935,015.45 and 371,622.20

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Solution

The fourth proportional to 677,552.04, 935,015.45 and 371,622.20 is: 512,835.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,552.04 : 935,015.45 = 371,622.20 : x
  2. Step 2: Convert to fraction form
    677,552.04/935,015.45 = 371,622.20/x
  3. Step 3: Cross multiply
    677,552.04x = 935,015.45 × 371,622.20
  4. Step 4: Simplify right side
    677,552.04x = 347,472,492,029.80
  5. Step 5: Solve for x
    x = 347,472,492,029.80/677,552.04
  6. Step 6: Final answer
    x = 512,835.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.