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Finding the Fourth Proportional to 763,895.84, 1,150,413.74 and 695,795.72

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Solution

The fourth proportional to 763,895.84, 1,150,413.74 and 695,795.72 is: 1,047,856.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,895.84 : 1,150,413.74 = 695,795.72 : x
  2. Step 2: Convert to fraction form
    763,895.84/1,150,413.74 = 695,795.72/x
  3. Step 3: Cross multiply
    763,895.84x = 1,150,413.74 × 695,795.72
  4. Step 4: Simplify right side
    763,895.84x = 800,452,956,521.19
  5. Step 5: Solve for x
    x = 800,452,956,521.19/763,895.84
  6. Step 6: Final answer
    x = 1,047,856.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.