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Finding the Fourth Proportional to 675,663.22, 932,415.32 and 369,739.66

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Solution

The fourth proportional to 675,663.22, 932,415.32 and 369,739.66 is: 510,240.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,663.22 : 932,415.32 = 369,739.66 : x
  2. Step 2: Convert to fraction form
    675,663.22/932,415.32 = 369,739.66/x
  3. Step 3: Cross multiply
    675,663.22x = 932,415.32 × 369,739.66
  4. Step 4: Simplify right side
    675,663.22x = 344,750,923,395.59
  5. Step 5: Solve for x
    x = 344,750,923,395.59/675,663.22
  6. Step 6: Final answer
    x = 510,240.77

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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.