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Finding the Fourth Proportional to 773,607, 1,160,384.66 and 318,182.48

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Solution

The fourth proportional to 773,607, 1,160,384.66 and 318,182.48 is: 477,263.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,607 : 1,160,384.66 = 318,182.48 : x
  2. Step 2: Convert to fraction form
    773,607/1,160,384.66 = 318,182.48/x
  3. Step 3: Cross multiply
    773,607x = 1,160,384.66 × 318,182.48
  4. Step 4: Simplify right side
    773,607x = 369,214,068,872.76
  5. Step 5: Solve for x
    x = 369,214,068,872.76/773,607
  6. Step 6: Final answer
    x = 477,263.09

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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.