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Finding the Fourth Proportional to 453,711.32, 626,157.78 and 262,728.08

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Solution

The fourth proportional to 453,711.32, 626,157.78 and 262,728.08 is: 362,585.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,711.32 : 626,157.78 = 262,728.08 : x
  2. Step 2: Convert to fraction form
    453,711.32/626,157.78 = 262,728.08/x
  3. Step 3: Cross multiply
    453,711.32x = 626,157.78 × 262,728.08
  4. Step 4: Simplify right side
    453,711.32x = 164,509,231,316.46
  5. Step 5: Solve for x
    x = 164,509,231,316.46/453,711.32
  6. Step 6: Final answer
    x = 362,585.69

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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.