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Finding the Fourth Proportional to 566,643.40, 851,232.30 and 473,331.40

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Solution

The fourth proportional to 566,643.40, 851,232.30 and 473,331.40 is: 711,055.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,643.40 : 851,232.30 = 473,331.40 : x
  2. Step 2: Convert to fraction form
    566,643.40/851,232.30 = 473,331.40/x
  3. Step 3: Cross multiply
    566,643.40x = 851,232.30 × 473,331.40
  4. Step 4: Simplify right side
    566,643.40x = 402,914,976,284.22
  5. Step 5: Solve for x
    x = 402,914,976,284.22/566,643.40
  6. Step 6: Final answer
    x = 711,055.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.