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Finding the Fourth Proportional to 5,398,210.50, 8,097,315.77 and 1,803,977.45

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Solution

The fourth proportional to 5,398,210.50, 8,097,315.77 and 1,803,977.45 is: 2,705,966.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398,210.50 : 8,097,315.77 = 1,803,977.45 : x
  2. Step 2: Convert to fraction form
    5,398,210.50/8,097,315.77 = 1,803,977.45/x
  3. Step 3: Cross multiply
    5,398,210.50x = 8,097,315.77 × 1,803,977.45
  4. Step 4: Simplify right side
    5,398,210.50x = 14,607,375,054,609.38
  5. Step 5: Solve for x
    x = 14,607,375,054,609.38/5,398,210.50
  6. Step 6: Final answer
    x = 2,705,966.18

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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.