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Finding the Fourth Proportional to 507,770.88, 700,697.79 and 292,898.13

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Solution

The fourth proportional to 507,770.88, 700,697.79 and 292,898.13 is: 404,184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,770.88 : 700,697.79 = 292,898.13 : x
  2. Step 2: Convert to fraction form
    507,770.88/700,697.79 = 292,898.13/x
  3. Step 3: Cross multiply
    507,770.88x = 700,697.79 × 292,898.13
  4. Step 4: Simplify right side
    507,770.88x = 205,233,072,386.13
  5. Step 5: Solve for x
    x = 205,233,072,386.13/507,770.88
  6. Step 6: Final answer
    x = 404,184.41

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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.