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Finding the Fourth Proportional to 562,295.77, 775,161.08 and 400,870.57

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Solution

The fourth proportional to 562,295.77, 775,161.08 and 400,870.57 is: 552,626.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,295.77 : 775,161.08 = 400,870.57 : x
  2. Step 2: Convert to fraction form
    562,295.77/775,161.08 = 400,870.57/x
  3. Step 3: Cross multiply
    562,295.77x = 775,161.08 × 400,870.57
  4. Step 4: Simplify right side
    562,295.77x = 310,739,263,981.42
  5. Step 5: Solve for x
    x = 310,739,263,981.42/562,295.77
  6. Step 6: Final answer
    x = 552,626.00

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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.