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Finding the Fourth Proportional to 294,299.80, 406,009.83 and 185,210.89

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Solution

The fourth proportional to 294,299.80, 406,009.83 and 185,210.89 is: 255,513.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,299.80 : 406,009.83 = 185,210.89 : x
  2. Step 2: Convert to fraction form
    294,299.80/406,009.83 = 185,210.89/x
  3. Step 3: Cross multiply
    294,299.80x = 406,009.83 × 185,210.89
  4. Step 4: Simplify right side
    294,299.80x = 75,197,441,963.05
  5. Step 5: Solve for x
    x = 75,197,441,963.05/294,299.80
  6. Step 6: Final answer
    x = 255,513.06

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1.5x scale

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.