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Finding the Fourth Proportional to 298,124,584.40, 446,920,937.40 and 116,329,480.40

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Solution

The fourth proportional to 298,124,584.40, 446,920,937.40 and 116,329,480.40 is: 174,390,449.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,124,584.40 : 446,920,937.40 = 116,329,480.40 : x
  2. Step 2: Convert to fraction form
    298,124,584.40/446,920,937.40 = 116,329,480.40/x
  3. Step 3: Cross multiply
    298,124,584.40x = 446,920,937.40 × 116,329,480.40
  4. Step 4: Simplify right side
    298,124,584.40x = 51,990,080,427,622,928
  5. Step 5: Solve for x
    x = 51,990,080,427,622,928/298,124,584.40
  6. Step 6: Final answer
    x = 174,390,449.99

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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.