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Finding the Fourth Proportional to 517,950.40, 714,768.96 and 291,597.52

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Solution

The fourth proportional to 517,950.40, 714,768.96 and 291,597.52 is: 402,403.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,950.40 : 714,768.96 = 291,597.52 : x
  2. Step 2: Convert to fraction form
    517,950.40/714,768.96 = 291,597.52/x
  3. Step 3: Cross multiply
    517,950.40x = 714,768.96 × 291,597.52
  4. Step 4: Simplify right side
    517,950.40x = 208,424,856,108.98
  5. Step 5: Solve for x
    x = 208,424,856,108.98/517,950.40
  6. Step 6: Final answer
    x = 402,403.12

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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.