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Finding the Fourth Proportional to 582,844.60, 874,266.90 and 346,065.40

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Solution

The fourth proportional to 582,844.60, 874,266.90 and 346,065.40 is: 519,098.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,844.60 : 874,266.90 = 346,065.40 : x
  2. Step 2: Convert to fraction form
    582,844.60/874,266.90 = 346,065.40/x
  3. Step 3: Cross multiply
    582,844.60x = 874,266.90 × 346,065.40
  4. Step 4: Simplify right side
    582,844.60x = 302,553,524,455.26
  5. Step 5: Solve for x
    x = 302,553,524,455.26/582,844.60
  6. Step 6: Final answer
    x = 519,098.10

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.