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Finding the Fourth Proportional to 867,879.48, 1,302,015.42 and 468,511.68

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Solution

The fourth proportional to 867,879.48, 1,302,015.42 and 468,511.68 is: 702,873.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,879.48 : 1,302,015.42 = 468,511.68 : x
  2. Step 2: Convert to fraction form
    867,879.48/1,302,015.42 = 468,511.68/x
  3. Step 3: Cross multiply
    867,879.48x = 1,302,015.42 × 468,511.68
  4. Step 4: Simplify right side
    867,879.48x = 610,009,431,810.11
  5. Step 5: Solve for x
    x = 610,009,431,810.11/867,879.48
  6. Step 6: Final answer
    x = 702,873.44

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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.