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Finding the Fourth Proportional to 615,160.80, 923,000.40 and 334,879.20

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Solution

The fourth proportional to 615,160.80, 923,000.40 and 334,879.20 is: 502,459.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,160.80 : 923,000.40 = 334,879.20 : x
  2. Step 2: Convert to fraction form
    615,160.80/923,000.40 = 334,879.20/x
  3. Step 3: Cross multiply
    615,160.80x = 923,000.40 × 334,879.20
  4. Step 4: Simplify right side
    615,160.80x = 309,093,635,551.68
  5. Step 5: Solve for x
    x = 309,093,635,551.68/615,160.80
  6. Step 6: Final answer
    x = 502,459.90

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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.