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Finding the Fourth Proportional to 649,460.60, 973,730.10 and 294,644.60

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Solution

The fourth proportional to 649,460.60, 973,730.10 and 294,644.60 is: 441,757.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,460.60 : 973,730.10 = 294,644.60 : x
  2. Step 2: Convert to fraction form
    649,460.60/973,730.10 = 294,644.60/x
  3. Step 3: Cross multiply
    649,460.60x = 973,730.10 × 294,644.60
  4. Step 4: Simplify right side
    649,460.60x = 286,904,315,822.46
  5. Step 5: Solve for x
    x = 286,904,315,822.46/649,460.60
  6. Step 6: Final answer
    x = 441,757.85

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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.