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Finding the Fourth Proportional to 675,661.98, 932,436.12 and 369,731.82

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Solution

The fourth proportional to 675,661.98, 932,436.12 and 369,731.82 is: 510,242.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,661.98 : 932,436.12 = 369,731.82 : x
  2. Step 2: Convert to fraction form
    675,661.98/932,436.12 = 369,731.82/x
  3. Step 3: Cross multiply
    675,661.98x = 932,436.12 × 369,731.82
  4. Step 4: Simplify right side
    675,661.98x = 344,751,303,681.34
  5. Step 5: Solve for x
    x = 344,751,303,681.34/675,661.98
  6. Step 6: Final answer
    x = 510,242.27

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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.