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Finding the Fourth Proportional to 3,778,866, 5,668,303.14 and 938,978.16

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Solution

The fourth proportional to 3,778,866, 5,668,303.14 and 938,978.16 is: 1,408,468.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,866 : 5,668,303.14 = 938,978.16 : x
  2. Step 2: Convert to fraction form
    3,778,866/5,668,303.14 = 938,978.16/x
  3. Step 3: Cross multiply
    3,778,866x = 5,668,303.14 × 938,978.16
  4. Step 4: Simplify right side
    3,778,866x = 5,322,412,852,719.42
  5. Step 5: Solve for x
    x = 5,322,412,852,719.42/3,778,866
  6. Step 6: Final answer
    x = 1,408,468.27

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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.