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Finding the Fourth Proportional to 524,048.48, 723,166 and 297,668.96

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Solution

The fourth proportional to 524,048.48, 723,166 and 297,668.96 is: 410,771.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,048.48 : 723,166 = 297,668.96 : x
  2. Step 2: Convert to fraction form
    524,048.48/723,166 = 297,668.96/x
  3. Step 3: Cross multiply
    524,048.48x = 723,166 × 297,668.96
  4. Step 4: Simplify right side
    524,048.48x = 215,264,071,127.36
  5. Step 5: Solve for x
    x = 215,264,071,127.36/524,048.48
  6. Step 6: Final answer
    x = 410,771.29

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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.