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Finding the Fourth Proportional to 551,038.06, 760,466.51 and 366,960.97

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Solution

The fourth proportional to 551,038.06, 760,466.51 and 366,960.97 is: 506,428.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,038.06 : 760,466.51 = 366,960.97 : x
  2. Step 2: Convert to fraction form
    551,038.06/760,466.51 = 366,960.97/x
  3. Step 3: Cross multiply
    551,038.06x = 760,466.51 × 366,960.97
  4. Step 4: Simplify right side
    551,038.06x = 279,061,528,162.12
  5. Step 5: Solve for x
    x = 279,061,528,162.12/551,038.06
  6. Step 6: Final answer
    x = 506,428.77

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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.