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Finding the Fourth Proportional to 555,244.27, 766,288.79 and 337,402.67

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Solution

The fourth proportional to 555,244.27, 766,288.79 and 337,402.67 is: 465,647.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,244.27 : 766,288.79 = 337,402.67 : x
  2. Step 2: Convert to fraction form
    555,244.27/766,288.79 = 337,402.67/x
  3. Step 3: Cross multiply
    555,244.27x = 766,288.79 × 337,402.67
  4. Step 4: Simplify right side
    555,244.27x = 258,547,879,483.87
  5. Step 5: Solve for x
    x = 258,547,879,483.87/555,244.27
  6. Step 6: Final answer
    x = 465,647.09

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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.