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Finding the Fourth Proportional to 718,754.68, 992,200.27 and 464,230.00

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Solution

The fourth proportional to 718,754.68, 992,200.27 and 464,230.00 is: 640,843.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,754.68 : 992,200.27 = 464,230.00 : x
  2. Step 2: Convert to fraction form
    718,754.68/992,200.27 = 464,230.00/x
  3. Step 3: Cross multiply
    718,754.68x = 992,200.27 × 464,230.00
  4. Step 4: Simplify right side
    718,754.68x = 460,609,126,381.10
  5. Step 5: Solve for x
    x = 460,609,126,381.10/718,754.68
  6. Step 6: Final answer
    x = 640,843.31

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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.