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Finding the Fourth Proportional to 404,393.55, 558,059.24 and 223,106.94

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Solution

The fourth proportional to 404,393.55, 558,059.24 and 223,106.94 is: 307,885.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,393.55 : 558,059.24 = 223,106.94 : x
  2. Step 2: Convert to fraction form
    404,393.55/558,059.24 = 223,106.94/x
  3. Step 3: Cross multiply
    404,393.55x = 558,059.24 × 223,106.94
  4. Step 4: Simplify right side
    404,393.55x = 124,506,888,259.59
  5. Step 5: Solve for x
    x = 124,506,888,259.59/404,393.55
  6. Step 6: Final answer
    x = 307,885.45

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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.