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Finding the Fourth Proportional to 587,554.68, 810,527.03 and 383,724.91

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Solution

The fourth proportional to 587,554.68, 810,527.03 and 383,724.91 is: 529,345.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,554.68 : 810,527.03 = 383,724.91 : x
  2. Step 2: Convert to fraction form
    587,554.68/810,527.03 = 383,724.91/x
  3. Step 3: Cross multiply
    587,554.68x = 810,527.03 × 383,724.91
  4. Step 4: Simplify right side
    587,554.68x = 311,019,409,720.69
  5. Step 5: Solve for x
    x = 311,019,409,720.69/587,554.68
  6. Step 6: Final answer
    x = 529,345.47

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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.