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Finding the Fourth Proportional to 442,332.48, 610,448.16 and 251,346.24

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Solution

The fourth proportional to 442,332.48, 610,448.16 and 251,346.24 is: 346,874.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,332.48 : 610,448.16 = 251,346.24 : x
  2. Step 2: Convert to fraction form
    442,332.48/610,448.16 = 251,346.24/x
  3. Step 3: Cross multiply
    442,332.48x = 610,448.16 × 251,346.24
  4. Step 4: Simplify right side
    442,332.48x = 153,433,849,730.92
  5. Step 5: Solve for x
    x = 153,433,849,730.92/442,332.48
  6. Step 6: Final answer
    x = 346,874.48

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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.