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Finding the Fourth Proportional to 564,723.26, 779,330.67 and 310,075.46

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Solution

The fourth proportional to 564,723.26, 779,330.67 and 310,075.46 is: 427,911.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,723.26 : 779,330.67 = 310,075.46 : x
  2. Step 2: Convert to fraction form
    564,723.26/779,330.67 = 310,075.46/x
  3. Step 3: Cross multiply
    564,723.26x = 779,330.67 × 310,075.46
  4. Step 4: Simplify right side
    564,723.26x = 241,651,315,992.36
  5. Step 5: Solve for x
    x = 241,651,315,992.36/564,723.26
  6. Step 6: Final answer
    x = 427,911.04

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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.