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Finding the Fourth Proportional to 518,034.48, 777,162.24 and 293,502.48

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Solution

The fourth proportional to 518,034.48, 777,162.24 and 293,502.48 is: 440,316.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,034.48 : 777,162.24 = 293,502.48 : x
  2. Step 2: Convert to fraction form
    518,034.48/777,162.24 = 293,502.48/x
  3. Step 3: Cross multiply
    518,034.48x = 777,162.24 × 293,502.48
  4. Step 4: Simplify right side
    518,034.48x = 228,099,044,802.36
  5. Step 5: Solve for x
    x = 228,099,044,802.36/518,034.48
  6. Step 6: Final answer
    x = 440,316.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.