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Finding the Fourth Proportional to 404,353.61, 558,008.56 and 223,065.18

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Solution

The fourth proportional to 404,353.61, 558,008.56 and 223,065.18 is: 307,830.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,353.61 : 558,008.56 = 223,065.18 : x
  2. Step 2: Convert to fraction form
    404,353.61/558,008.56 = 223,065.18/x
  3. Step 3: Cross multiply
    404,353.61x = 558,008.56 × 223,065.18
  4. Step 4: Simplify right side
    404,353.61x = 124,472,280,156.77
  5. Step 5: Solve for x
    x = 124,472,280,156.77/404,353.61
  6. Step 6: Final answer
    x = 307,830.27

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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.