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Finding the Fourth Proportional to 610,234.86, 842,168.46 and 368,576.22

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Solution

The fourth proportional to 610,234.86, 842,168.46 and 368,576.22 is: 508,661.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,234.86 : 842,168.46 = 368,576.22 : x
  2. Step 2: Convert to fraction form
    610,234.86/842,168.46 = 368,576.22/x
  3. Step 3: Cross multiply
    610,234.86x = 842,168.46 × 368,576.22
  4. Step 4: Simplify right side
    610,234.86x = 310,403,267,590.02
  5. Step 5: Solve for x
    x = 310,403,267,590.02/610,234.86
  6. Step 6: Final answer
    x = 508,661.97

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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.