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Finding the Fourth Proportional to 445,915.28, 615,322.50 and 264,596

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Solution

The fourth proportional to 445,915.28, 615,322.50 and 264,596 is: 365,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,915.28 : 615,322.50 = 264,596 : x
  2. Step 2: Convert to fraction form
    445,915.28/615,322.50 = 264,596/x
  3. Step 3: Cross multiply
    445,915.28x = 615,322.50 × 264,596
  4. Step 4: Simplify right side
    445,915.28x = 162,811,872,210
  5. Step 5: Solve for x
    x = 162,811,872,210/445,915.28
  6. Step 6: Final answer
    x = 365,118.40

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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.