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Finding the Fourth Proportional to 606,901.60, 910,395.60 and 186,176.80

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Solution

The fourth proportional to 606,901.60, 910,395.60 and 186,176.80 is: 279,278.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,901.60 : 910,395.60 = 186,176.80 : x
  2. Step 2: Convert to fraction form
    606,901.60/910,395.60 = 186,176.80/x
  3. Step 3: Cross multiply
    606,901.60x = 910,395.60 × 186,176.80
  4. Step 4: Simplify right side
    606,901.60x = 169,494,539,542.08
  5. Step 5: Solve for x
    x = 169,494,539,542.08/606,901.60
  6. Step 6: Final answer
    x = 279,278.45

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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.