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Finding the Fourth Proportional to 3,312,396.65, 4,968,831.21 and 883,536.32

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Solution

The fourth proportional to 3,312,396.65, 4,968,831.21 and 883,536.32 is: 1,325,367.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312,396.65 : 4,968,831.21 = 883,536.32 : x
  2. Step 2: Convert to fraction form
    3,312,396.65/4,968,831.21 = 883,536.32/x
  3. Step 3: Cross multiply
    3,312,396.65x = 4,968,831.21 × 883,536.32
  4. Step 4: Simplify right side
    3,312,396.65x = 4,390,142,817,140.39
  5. Step 5: Solve for x
    x = 4,390,142,817,140.39/3,312,396.65
  6. Step 6: Final answer
    x = 1,325,367.49

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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.