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Finding the Fourth Proportional to 623,722.92, 934,788.94 and 303,951.12

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Solution

The fourth proportional to 623,722.92, 934,788.94 and 303,951.12 is: 455,539.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,722.92 : 934,788.94 = 303,951.12 : x
  2. Step 2: Convert to fraction form
    623,722.92/934,788.94 = 303,951.12/x
  3. Step 3: Cross multiply
    623,722.92x = 934,788.94 × 303,951.12
  4. Step 4: Simplify right side
    623,722.92x = 284,130,145,276.61
  5. Step 5: Solve for x
    x = 284,130,145,276.61/623,722.92
  6. Step 6: Final answer
    x = 455,539.05

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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.