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Finding the Fourth Proportional to 368,124.01, 507,803.66 and 220,910.77

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Solution

The fourth proportional to 368,124.01, 507,803.66 and 220,910.77 is: 304,732.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,124.01 : 507,803.66 = 220,910.77 : x
  2. Step 2: Convert to fraction form
    368,124.01/507,803.66 = 220,910.77/x
  3. Step 3: Cross multiply
    368,124.01x = 507,803.66 × 220,910.77
  4. Step 4: Simplify right side
    368,124.01x = 112,179,296,434.86
  5. Step 5: Solve for x
    x = 112,179,296,434.86/368,124.01
  6. Step 6: Final answer
    x = 304,732.35

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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.