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Finding the Fourth Proportional to 696,384.80, 960,657.32 and 454,808.78

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Solution

The fourth proportional to 696,384.80, 960,657.32 and 454,808.78 is: 627,405.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,384.80 : 960,657.32 = 454,808.78 : x
  2. Step 2: Convert to fraction form
    696,384.80/960,657.32 = 454,808.78/x
  3. Step 3: Cross multiply
    696,384.80x = 960,657.32 × 454,808.78
  4. Step 4: Simplify right side
    696,384.80x = 436,915,378,903.98
  5. Step 5: Solve for x
    x = 436,915,378,903.98/696,384.80
  6. Step 6: Final answer
    x = 627,405.11

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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.