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Finding the Fourth Proportional to 356,477.41, 534,799.95 and 103,763.35

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Solution

The fourth proportional to 356,477.41, 534,799.95 and 103,763.35 is: 155,669.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,477.41 : 534,799.95 = 103,763.35 : x
  2. Step 2: Convert to fraction form
    356,477.41/534,799.95 = 103,763.35/x
  3. Step 3: Cross multiply
    356,477.41x = 534,799.95 × 103,763.35
  4. Step 4: Simplify right side
    356,477.41x = 55,492,634,391.83
  5. Step 5: Solve for x
    x = 55,492,634,391.83/356,477.41
  6. Step 6: Final answer
    x = 155,669.43

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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.