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Finding the Fourth Proportional to 615,163.80, 923,004.90 and 334,882.20

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Solution

The fourth proportional to 615,163.80, 923,004.90 and 334,882.20 is: 502,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,163.80 : 923,004.90 = 334,882.20 : x
  2. Step 2: Convert to fraction form
    615,163.80/923,004.90 = 334,882.20/x
  3. Step 3: Cross multiply
    615,163.80x = 923,004.90 × 334,882.20
  4. Step 4: Simplify right side
    615,163.80x = 309,097,911,522.78
  5. Step 5: Solve for x
    x = 309,097,911,522.78/615,163.80
  6. Step 6: Final answer
    x = 502,464.40

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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.