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Finding the Fourth Proportional to 587,337.55, 820,501.10 and 587,337.55

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Solution

The fourth proportional to 587,337.55, 820,501.10 and 587,337.55 is: 820,501.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,337.55 : 820,501.10 = 587,337.55 : x
  2. Step 2: Convert to fraction form
    587,337.55/820,501.10 = 587,337.55/x
  3. Step 3: Cross multiply
    587,337.55x = 820,501.10 × 587,337.55
  4. Step 4: Simplify right side
    587,337.55x = 481,911,105,846.31
  5. Step 5: Solve for x
    x = 481,911,105,846.31/587,337.55
  6. Step 6: Final answer
    x = 820,501.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.