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Finding the Fourth Proportional to 1,184,264.80, 1,661,703.20 and 1,184,264.80

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Solution

The fourth proportional to 1,184,264.80, 1,661,703.20 and 1,184,264.80 is: 1,661,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,264.80 : 1,661,703.20 = 1,184,264.80 : x
  2. Step 2: Convert to fraction form
    1,184,264.80/1,661,703.20 = 1,184,264.80/x
  3. Step 3: Cross multiply
    1,184,264.80x = 1,661,703.20 × 1,184,264.80
  4. Step 4: Simplify right side
    1,184,264.80x = 1,967,896,607,807.36
  5. Step 5: Solve for x
    x = 1,967,896,607,807.36/1,184,264.80
  6. Step 6: Final answer
    x = 1,661,703.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.