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Finding the Fourth Proportional to 447,295.48, 617,269.23 and 243,346.34

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Solution

The fourth proportional to 447,295.48, 617,269.23 and 243,346.34 is: 335,818.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,295.48 : 617,269.23 = 243,346.34 : x
  2. Step 2: Convert to fraction form
    447,295.48/617,269.23 = 243,346.34/x
  3. Step 3: Cross multiply
    447,295.48x = 617,269.23 × 243,346.34
  4. Step 4: Simplify right side
    447,295.48x = 150,210,209,458.29
  5. Step 5: Solve for x
    x = 150,210,209,458.29/447,295.48
  6. Step 6: Final answer
    x = 335,818.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.