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Finding the Fourth Proportional to 590,825.04, 813,286.08 and 515,242.32

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Solution

The fourth proportional to 590,825.04, 813,286.08 and 515,242.32 is: 709,244.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,825.04 : 813,286.08 = 515,242.32 : x
  2. Step 2: Convert to fraction form
    590,825.04/813,286.08 = 515,242.32/x
  3. Step 3: Cross multiply
    590,825.04x = 813,286.08 × 515,242.32
  4. Step 4: Simplify right side
    590,825.04x = 419,039,406,682.91
  5. Step 5: Solve for x
    x = 419,039,406,682.91/590,825.04
  6. Step 6: Final answer
    x = 709,244.49

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Double scale
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Similar ratio
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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.