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Finding the Fourth Proportional to 404,907.60, 558,776.70 and 223,624.12

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Solution

The fourth proportional to 404,907.60, 558,776.70 and 223,624.12 is: 308,603.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,907.60 : 558,776.70 = 223,624.12 : x
  2. Step 2: Convert to fraction form
    404,907.60/558,776.70 = 223,624.12/x
  3. Step 3: Cross multiply
    404,907.60x = 558,776.70 × 223,624.12
  4. Step 4: Simplify right side
    404,907.60x = 124,955,947,814.00
  5. Step 5: Solve for x
    x = 124,955,947,814.00/404,907.60
  6. Step 6: Final answer
    x = 308,603.61

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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.