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Finding the Fourth Proportional to 606,905.09, 910,066.62 and 286,790.51

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Solution

The fourth proportional to 606,905.09, 910,066.62 and 286,790.51 is: 430,048.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,905.09 : 910,066.62 = 286,790.51 : x
  2. Step 2: Convert to fraction form
    606,905.09/910,066.62 = 286,790.51/x
  3. Step 3: Cross multiply
    606,905.09x = 910,066.62 × 286,790.51
  4. Step 4: Simplify right side
    606,905.09x = 260,998,470,083.78
  5. Step 5: Solve for x
    x = 260,998,470,083.78/606,905.09
  6. Step 6: Final answer
    x = 430,048.25

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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.