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Finding the Fourth Proportional to 434,805.88, 599,755.98 and 314,124.52

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Solution

The fourth proportional to 434,805.88, 599,755.98 and 314,124.52 is: 433,292.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,805.88 : 599,755.98 = 314,124.52 : x
  2. Step 2: Convert to fraction form
    434,805.88/599,755.98 = 314,124.52/x
  3. Step 3: Cross multiply
    434,805.88x = 599,755.98 × 314,124.52
  4. Step 4: Simplify right side
    434,805.88x = 188,398,059,334.63
  5. Step 5: Solve for x
    x = 188,398,059,334.63/434,805.88
  6. Step 6: Final answer
    x = 433,292.34

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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.