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Finding the Fourth Proportional to 404,416.92, 607,150.26 and 310,988.28

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Solution

The fourth proportional to 404,416.92, 607,150.26 and 310,988.28 is: 466,886.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,416.92 : 607,150.26 = 310,988.28 : x
  2. Step 2: Convert to fraction form
    404,416.92/607,150.26 = 310,988.28/x
  3. Step 3: Cross multiply
    404,416.92x = 607,150.26 × 310,988.28
  4. Step 4: Simplify right side
    404,416.92x = 188,816,615,058.95
  5. Step 5: Solve for x
    x = 188,816,615,058.95/404,416.92
  6. Step 6: Final answer
    x = 466,886.04

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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.