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Finding the Fourth Proportional to 406,317.29, 607,005.05 and 262,994.97

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Solution

The fourth proportional to 406,317.29, 607,005.05 and 262,994.97 is: 392,893.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,317.29 : 607,005.05 = 262,994.97 : x
  2. Step 2: Convert to fraction form
    406,317.29/607,005.05 = 262,994.97/x
  3. Step 3: Cross multiply
    406,317.29x = 607,005.05 × 262,994.97
  4. Step 4: Simplify right side
    406,317.29x = 159,639,274,914.60
  5. Step 5: Solve for x
    x = 159,639,274,914.60/406,317.29
  6. Step 6: Final answer
    x = 392,893.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.