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Finding the Fourth Proportional to 608,749.20, 912,346.20 and 467,809.20

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Solution

The fourth proportional to 608,749.20, 912,346.20 and 467,809.20 is: 701,116.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,749.20 : 912,346.20 = 467,809.20 : x
  2. Step 2: Convert to fraction form
    608,749.20/912,346.20 = 467,809.20/x
  3. Step 3: Cross multiply
    608,749.20x = 912,346.20 × 467,809.20
  4. Step 4: Simplify right side
    608,749.20x = 426,803,945,945.04
  5. Step 5: Solve for x
    x = 426,803,945,945.04/608,749.20
  6. Step 6: Final answer
    x = 701,116.23

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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.