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Finding the Fourth Proportional to 564,475.68, 779,341.23 and 349,843.50

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Solution

The fourth proportional to 564,475.68, 779,341.23 and 349,843.50 is: 483,010.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,475.68 : 779,341.23 = 349,843.50 : x
  2. Step 2: Convert to fraction form
    564,475.68/779,341.23 = 349,843.50/x
  3. Step 3: Cross multiply
    564,475.68x = 779,341.23 × 349,843.50
  4. Step 4: Simplify right side
    564,475.68x = 272,647,463,597.51
  5. Step 5: Solve for x
    x = 272,647,463,597.51/564,475.68
  6. Step 6: Final answer
    x = 483,010.12

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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.