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Finding the Fourth Proportional to 506,935.61, 699,509.27 and 403,832.39

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Solution

The fourth proportional to 506,935.61, 699,509.27 and 403,832.39 is: 557,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,935.61 : 699,509.27 = 403,832.39 : x
  2. Step 2: Convert to fraction form
    506,935.61/699,509.27 = 403,832.39/x
  3. Step 3: Cross multiply
    506,935.61x = 699,509.27 × 403,832.39
  4. Step 4: Simplify right side
    506,935.61x = 282,484,503,089.61
  5. Step 5: Solve for x
    x = 282,484,503,089.61/506,935.61
  6. Step 6: Final answer
    x = 557,239.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.