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Finding the Fourth Proportional to 584,832.60, 807,138.90 and 355,427.24

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Solution

The fourth proportional to 584,832.60, 807,138.90 and 355,427.24 is: 490,532.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,832.60 : 807,138.90 = 355,427.24 : x
  2. Step 2: Convert to fraction form
    584,832.60/807,138.90 = 355,427.24/x
  3. Step 3: Cross multiply
    584,832.60x = 807,138.90 × 355,427.24
  4. Step 4: Simplify right side
    584,832.60x = 286,879,147,487.94
  5. Step 5: Solve for x
    x = 286,879,147,487.94/584,832.60
  6. Step 6: Final answer
    x = 490,532.07

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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.