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Finding the Fourth Proportional to 607,093.60, 910,640.40 and 186,368.80

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Solution

The fourth proportional to 607,093.60, 910,640.40 and 186,368.80 is: 279,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,093.60 : 910,640.40 = 186,368.80 : x
  2. Step 2: Convert to fraction form
    607,093.60/910,640.40 = 186,368.80/x
  3. Step 3: Cross multiply
    607,093.60x = 910,640.40 × 186,368.80
  4. Step 4: Simplify right side
    607,093.60x = 169,714,958,579.52
  5. Step 5: Solve for x
    x = 169,714,958,579.52/607,093.60
  6. Step 6: Final answer
    x = 279,553.20

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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.