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Finding the Fourth Proportional to 507,955.38, 760,437.78 and 375,426.42

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Solution

The fourth proportional to 507,955.38, 760,437.78 and 375,426.42 is: 562,034.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,955.38 : 760,437.78 = 375,426.42 : x
  2. Step 2: Convert to fraction form
    507,955.38/760,437.78 = 375,426.42/x
  3. Step 3: Cross multiply
    507,955.38x = 760,437.78 × 375,426.42
  4. Step 4: Simplify right side
    507,955.38x = 285,488,433,378.15
  5. Step 5: Solve for x
    x = 285,488,433,378.15/507,955.38
  6. Step 6: Final answer
    x = 562,034.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.