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Finding the Fourth Proportional to 867,688, 1,301,904.44 and 335,582.40

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Solution

The fourth proportional to 867,688, 1,301,904.44 and 335,582.40 is: 503,517.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,688 : 1,301,904.44 = 335,582.40 : x
  2. Step 2: Convert to fraction form
    867,688/1,301,904.44 = 335,582.40/x
  3. Step 3: Cross multiply
    867,688x = 1,301,904.44 × 335,582.40
  4. Step 4: Simplify right side
    867,688x = 436,896,216,545.86
  5. Step 5: Solve for x
    x = 436,896,216,545.86/867,688
  6. Step 6: Final answer
    x = 503,517.64

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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.