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Finding the Fourth Proportional to 587,553.93, 810,525.99 and 383,724.16

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Solution

The fourth proportional to 587,553.93, 810,525.99 and 383,724.16 is: 529,344.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,553.93 : 810,525.99 = 383,724.16 : x
  2. Step 2: Convert to fraction form
    587,553.93/810,525.99 = 383,724.16/x
  3. Step 3: Cross multiply
    587,553.93x = 810,525.99 × 383,724.16
  4. Step 4: Simplify right side
    587,553.93x = 311,018,406,363.17
  5. Step 5: Solve for x
    x = 311,018,406,363.17/587,553.93
  6. Step 6: Final answer
    x = 529,344.44

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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.