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Finding the Fourth Proportional to 416,647.87, 574,972.29 and 232,886.21

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Solution

The fourth proportional to 416,647.87, 574,972.29 and 232,886.21 is: 321,381.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,647.87 : 574,972.29 = 232,886.21 : x
  2. Step 2: Convert to fraction form
    416,647.87/574,972.29 = 232,886.21/x
  3. Step 3: Cross multiply
    416,647.87x = 574,972.29 × 232,886.21
  4. Step 4: Simplify right side
    416,647.87x = 133,903,114,598.26
  5. Step 5: Solve for x
    x = 133,903,114,598.26/416,647.87
  6. Step 6: Final answer
    x = 321,381.98

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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.