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Finding the Fourth Proportional to 617,799.56, 852,416.66 and 359,520.17

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Solution

The fourth proportional to 617,799.56, 852,416.66 and 359,520.17 is: 496,052.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,799.56 : 852,416.66 = 359,520.17 : x
  2. Step 2: Convert to fraction form
    617,799.56/852,416.66 = 359,520.17/x
  3. Step 3: Cross multiply
    617,799.56x = 852,416.66 × 359,520.17
  4. Step 4: Simplify right side
    617,799.56x = 306,460,983,945.59
  5. Step 5: Solve for x
    x = 306,460,983,945.59/617,799.56
  6. Step 6: Final answer
    x = 496,052.45

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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.