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Finding the Fourth Proportional to 623,710.92, 934,770.96 and 303,939.12

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Solution

The fourth proportional to 623,710.92, 934,770.96 and 303,939.12 is: 455,521.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,710.92 : 934,770.96 = 303,939.12 : x
  2. Step 2: Convert to fraction form
    623,710.92/934,770.96 = 303,939.12/x
  3. Step 3: Cross multiply
    623,710.92x = 934,770.96 × 303,939.12
  4. Step 4: Simplify right side
    623,710.92x = 284,113,462,983.96
  5. Step 5: Solve for x
    x = 284,113,462,983.96/623,710.92
  6. Step 6: Final answer
    x = 455,521.07

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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.