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Finding the Fourth Proportional to 560,663.60, 773,964.60 and 379,638.32

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Solution

The fourth proportional to 560,663.60, 773,964.60 and 379,638.32 is: 524,069.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,663.60 : 773,964.60 = 379,638.32 : x
  2. Step 2: Convert to fraction form
    560,663.60/773,964.60 = 379,638.32/x
  3. Step 3: Cross multiply
    560,663.60x = 773,964.60 × 379,638.32
  4. Step 4: Simplify right side
    560,663.60x = 293,826,620,483.47
  5. Step 5: Solve for x
    x = 293,826,620,483.47/560,663.60
  6. Step 6: Final answer
    x = 524,069.37

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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.