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Finding the Fourth Proportional to 605,111.10, 907,666.65 and 565,745.10

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Solution

The fourth proportional to 605,111.10, 907,666.65 and 565,745.10 is: 848,617.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,111.10 : 907,666.65 = 565,745.10 : x
  2. Step 2: Convert to fraction form
    605,111.10/907,666.65 = 565,745.10/x
  3. Step 3: Cross multiply
    605,111.10x = 907,666.65 × 565,745.10
  4. Step 4: Simplify right side
    605,111.10x = 513,507,959,670.92
  5. Step 5: Solve for x
    x = 513,507,959,670.92/605,111.10
  6. Step 6: Final answer
    x = 848,617.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.