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Finding the Fourth Proportional to 579,296.12, 798,590.94 and 406,688.52

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Solution

The fourth proportional to 579,296.12, 798,590.94 and 406,688.52 is: 560,642.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,296.12 : 798,590.94 = 406,688.52 : x
  2. Step 2: Convert to fraction form
    579,296.12/798,590.94 = 406,688.52/x
  3. Step 3: Cross multiply
    579,296.12x = 798,590.94 × 406,688.52
  4. Step 4: Simplify right side
    579,296.12x = 324,777,767,474.01
  5. Step 5: Solve for x
    x = 324,777,767,474.01/579,296.12
  6. Step 6: Final answer
    x = 560,642.06

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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.