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Finding the Fourth Proportional to 1,769,597.89, 2,641,478.11 and 1,518,492.03

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Solution

The fourth proportional to 1,769,597.89, 2,641,478.11 and 1,518,492.03 is: 2,266,652.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,597.89 : 2,641,478.11 = 1,518,492.03 : x
  2. Step 2: Convert to fraction form
    1,769,597.89/2,641,478.11 = 1,518,492.03/x
  3. Step 3: Cross multiply
    1,769,597.89x = 2,641,478.11 × 1,518,492.03
  4. Step 4: Simplify right side
    1,769,597.89x = 4,011,063,457,454.46
  5. Step 5: Solve for x
    x = 4,011,063,457,454.46/1,769,597.89
  6. Step 6: Final answer
    x = 2,266,652.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.