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Finding the Fourth Proportional to 524,078.38, 723,223.78 and 294,636.66

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Solution

The fourth proportional to 524,078.38, 723,223.78 and 294,636.66 is: 406,596.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,078.38 : 723,223.78 = 294,636.66 : x
  2. Step 2: Convert to fraction form
    524,078.38/723,223.78 = 294,636.66/x
  3. Step 3: Cross multiply
    524,078.38x = 723,223.78 × 294,636.66
  4. Step 4: Simplify right side
    524,078.38x = 213,088,238,971.78
  5. Step 5: Solve for x
    x = 213,088,238,971.78/524,078.38
  6. Step 6: Final answer
    x = 406,596.13

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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.