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Finding the Fourth Proportional to 1,764,873.75, 2,648,430.32 and 754,003.32

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Solution

The fourth proportional to 1,764,873.75, 2,648,430.32 and 754,003.32 is: 1,131,483.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,873.75 : 2,648,430.32 = 754,003.32 : x
  2. Step 2: Convert to fraction form
    1,764,873.75/2,648,430.32 = 754,003.32/x
  3. Step 3: Cross multiply
    1,764,873.75x = 2,648,430.32 × 754,003.32
  4. Step 4: Simplify right side
    1,764,873.75x = 1,996,925,255,953.67
  5. Step 5: Solve for x
    x = 1,996,925,255,953.67/1,764,873.75
  6. Step 6: Final answer
    x = 1,131,483.35

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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.