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Finding the Fourth Proportional to 606,804.48, 910,128.96 and 186,045.12

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Solution

The fourth proportional to 606,804.48, 910,128.96 and 186,045.12 is: 279,043.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,804.48 : 910,128.96 = 186,045.12 : x
  2. Step 2: Convert to fraction form
    606,804.48/910,128.96 = 186,045.12/x
  3. Step 3: Cross multiply
    606,804.48x = 910,128.96 × 186,045.12
  4. Step 4: Simplify right side
    606,804.48x = 169,325,051,578.68
  5. Step 5: Solve for x
    x = 169,325,051,578.68/606,804.48
  6. Step 6: Final answer
    x = 279,043.84

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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.