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Finding the Fourth Proportional to 212,527.40, 319,266.30 and 177,535.40

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Solution

The fourth proportional to 212,527.40, 319,266.30 and 177,535.40 is: 266,700.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,527.40 : 319,266.30 = 177,535.40 : x
  2. Step 2: Convert to fraction form
    212,527.40/319,266.30 = 177,535.40/x
  3. Step 3: Cross multiply
    212,527.40x = 319,266.30 × 177,535.40
  4. Step 4: Simplify right side
    212,527.40x = 56,681,070,277.02
  5. Step 5: Solve for x
    x = 56,681,070,277.02/212,527.40
  6. Step 6: Final answer
    x = 266,700.06

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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.