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Finding the Fourth Proportional to 613,279.35, 913,625.46 and 585,613.13

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Solution

The fourth proportional to 613,279.35, 913,625.46 and 585,613.13 is: 872,410.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,279.35 : 913,625.46 = 585,613.13 : x
  2. Step 2: Convert to fraction form
    613,279.35/913,625.46 = 585,613.13/x
  3. Step 3: Cross multiply
    613,279.35x = 913,625.46 × 585,613.13
  4. Step 4: Simplify right side
    613,279.35x = 535,031,060,710.16
  5. Step 5: Solve for x
    x = 535,031,060,710.16/613,279.35
  6. Step 6: Final answer
    x = 872,410.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.