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Finding the Fourth Proportional to 442,509.48, 610,710.12 and 270,528.12

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Solution

The fourth proportional to 442,509.48, 610,710.12 and 270,528.12 is: 373,357.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,509.48 : 610,710.12 = 270,528.12 : x
  2. Step 2: Convert to fraction form
    442,509.48/610,710.12 = 270,528.12/x
  3. Step 3: Cross multiply
    442,509.48x = 610,710.12 × 270,528.12
  4. Step 4: Simplify right side
    442,509.48x = 165,214,260,628.57
  5. Step 5: Solve for x
    x = 165,214,260,628.57/442,509.48
  6. Step 6: Final answer
    x = 373,357.56

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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.