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Finding the Fourth Proportional to 611,422.80, 917,263.80 and 184,923.60

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Solution

The fourth proportional to 611,422.80, 917,263.80 and 184,923.60 is: 277,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,422.80 : 917,263.80 = 184,923.60 : x
  2. Step 2: Convert to fraction form
    611,422.80/917,263.80 = 184,923.60/x
  3. Step 3: Cross multiply
    611,422.80x = 917,263.80 × 184,923.60
  4. Step 4: Simplify right side
    611,422.80x = 169,623,724,045.68
  5. Step 5: Solve for x
    x = 169,623,724,045.68/611,422.80
  6. Step 6: Final answer
    x = 277,424.60

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1.5x scale

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.