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Finding the Fourth Proportional to 233,142.40, 349,713.60 and 186,486.40

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Solution

The fourth proportional to 233,142.40, 349,713.60 and 186,486.40 is: 279,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,142.40 : 349,713.60 = 186,486.40 : x
  2. Step 2: Convert to fraction form
    233,142.40/349,713.60 = 186,486.40/x
  3. Step 3: Cross multiply
    233,142.40x = 349,713.60 × 186,486.40
  4. Step 4: Simplify right side
    233,142.40x = 65,216,830,295.04
  5. Step 5: Solve for x
    x = 65,216,830,295.04/233,142.40
  6. Step 6: Final answer
    x = 279,729.60

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1.5x scale

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.