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Finding the Fourth Proportional to 564,305.76, 778,741.53 and 322,593.66

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Solution

The fourth proportional to 564,305.76, 778,741.53 and 322,593.66 is: 445,179.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,305.76 : 778,741.53 = 322,593.66 : x
  2. Step 2: Convert to fraction form
    564,305.76/778,741.53 = 322,593.66/x
  3. Step 3: Cross multiply
    564,305.76x = 778,741.53 × 322,593.66
  4. Step 4: Simplify right side
    564,305.76x = 251,217,080,356.70
  5. Step 5: Solve for x
    x = 251,217,080,356.70/564,305.76
  6. Step 6: Final answer
    x = 445,179.01

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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.