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Finding the Fourth Proportional to 453,864.60, 681,185.70 and 201,533.40

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Solution

The fourth proportional to 453,864.60, 681,185.70 and 201,533.40 is: 302,472.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,864.60 : 681,185.70 = 201,533.40 : x
  2. Step 2: Convert to fraction form
    453,864.60/681,185.70 = 201,533.40/x
  3. Step 3: Cross multiply
    453,864.60x = 681,185.70 × 201,533.40
  4. Step 4: Simplify right side
    453,864.60x = 137,281,670,152.38
  5. Step 5: Solve for x
    x = 137,281,670,152.38/453,864.60
  6. Step 6: Final answer
    x = 302,472.74

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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.