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Finding the Fourth Proportional to 565,259.36, 779,278.46 and 450,926.06

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Solution

The fourth proportional to 565,259.36, 779,278.46 and 450,926.06 is: 621,656.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,259.36 : 779,278.46 = 450,926.06 : x
  2. Step 2: Convert to fraction form
    565,259.36/779,278.46 = 450,926.06/x
  3. Step 3: Cross multiply
    565,259.36x = 779,278.46 × 450,926.06
  4. Step 4: Simplify right side
    565,259.36x = 351,396,965,610.67
  5. Step 5: Solve for x
    x = 351,396,965,610.67/565,259.36
  6. Step 6: Final answer
    x = 621,656.16

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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.