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Finding the Fourth Proportional to 3,281,582.43, 4,922,373.67 and 885,427.07

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Solution

The fourth proportional to 3,281,582.43, 4,922,373.67 and 885,427.07 is: 1,328,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,582.43 : 4,922,373.67 = 885,427.07 : x
  2. Step 2: Convert to fraction form
    3,281,582.43/4,922,373.67 = 885,427.07/x
  3. Step 3: Cross multiply
    3,281,582.43x = 4,922,373.67 × 885,427.07
  4. Step 4: Simplify right side
    3,281,582.43x = 4,358,402,869,247.81
  5. Step 5: Solve for x
    x = 4,358,402,869,247.81/3,281,582.43
  6. Step 6: Final answer
    x = 1,328,140.60

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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.