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Finding the Fourth Proportional to 583,452.99, 804,065.94 and 422,034.30

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Solution

The fourth proportional to 583,452.99, 804,065.94 and 422,034.30 is: 581,612.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,452.99 : 804,065.94 = 422,034.30 : x
  2. Step 2: Convert to fraction form
    583,452.99/804,065.94 = 422,034.30/x
  3. Step 3: Cross multiply
    583,452.99x = 804,065.94 × 422,034.30
  4. Step 4: Simplify right side
    583,452.99x = 339,343,406,141.74
  5. Step 5: Solve for x
    x = 339,343,406,141.74/583,452.99
  6. Step 6: Final answer
    x = 581,612.25

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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.