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Finding the Fourth Proportional to 551,477.93, 826,501.71 and 247,647.74

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Solution

The fourth proportional to 551,477.93, 826,501.71 and 247,647.74 is: 371,150.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,477.93 : 826,501.71 = 247,647.74 : x
  2. Step 2: Convert to fraction form
    551,477.93/826,501.71 = 247,647.74/x
  3. Step 3: Cross multiply
    551,477.93x = 826,501.71 × 247,647.74
  4. Step 4: Simplify right side
    551,477.93x = 204,681,280,483.19
  5. Step 5: Solve for x
    x = 204,681,280,483.19/551,477.93
  6. Step 6: Final answer
    x = 371,150.45

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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.