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Finding the Fourth Proportional to 801,921, 1,106,650.98 and 444,225

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Solution

The fourth proportional to 801,921, 1,106,650.98 and 444,225 is: 613,030.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,921 : 1,106,650.98 = 444,225 : x
  2. Step 2: Convert to fraction form
    801,921/1,106,650.98 = 444,225/x
  3. Step 3: Cross multiply
    801,921x = 1,106,650.98 × 444,225
  4. Step 4: Simplify right side
    801,921x = 491,602,031,590.50
  5. Step 5: Solve for x
    x = 491,602,031,590.50/801,921
  6. Step 6: Final answer
    x = 613,030.50

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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.