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Finding the Fourth Proportional to 575,377.20, 794,030.94 and 320,700.96

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Solution

The fourth proportional to 575,377.20, 794,030.94 and 320,700.96 is: 442,573.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,377.20 : 794,030.94 = 320,700.96 : x
  2. Step 2: Convert to fraction form
    575,377.20/794,030.94 = 320,700.96/x
  3. Step 3: Cross multiply
    575,377.20x = 794,030.94 × 320,700.96
  4. Step 4: Simplify right side
    575,377.20x = 254,646,484,727.70
  5. Step 5: Solve for x
    x = 254,646,484,727.70/575,377.20
  6. Step 6: Final answer
    x = 442,573.12

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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.