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Finding the Fourth Proportional to 688,451.64, 950,060.16 and 382,577.80

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Solution

The fourth proportional to 688,451.64, 950,060.16 and 382,577.80 is: 527,955.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,451.64 : 950,060.16 = 382,577.80 : x
  2. Step 2: Convert to fraction form
    688,451.64/950,060.16 = 382,577.80/x
  3. Step 3: Cross multiply
    688,451.64x = 950,060.16 × 382,577.80
  4. Step 4: Simplify right side
    688,451.64x = 363,471,925,880.45
  5. Step 5: Solve for x
    x = 363,471,925,880.45/688,451.64
  6. Step 6: Final answer
    x = 527,955.64

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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.