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Finding the Fourth Proportional to 313,557.80, 432,745.66 and 175,773.94

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Solution

The fourth proportional to 313,557.80, 432,745.66 and 175,773.94 is: 242,588.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,557.80 : 432,745.66 = 175,773.94 : x
  2. Step 2: Convert to fraction form
    313,557.80/432,745.66 = 175,773.94/x
  3. Step 3: Cross multiply
    313,557.80x = 432,745.66 × 175,773.94
  4. Step 4: Simplify right side
    313,557.80x = 76,065,409,566.24
  5. Step 5: Solve for x
    x = 76,065,409,566.24/313,557.80
  6. Step 6: Final answer
    x = 242,588.16

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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.