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Finding the Fourth Proportional to 296,987.04, 445,482.18 and 97,315.56

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Solution

The fourth proportional to 296,987.04, 445,482.18 and 97,315.56 is: 145,973.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,987.04 : 445,482.18 = 97,315.56 : x
  2. Step 2: Convert to fraction form
    296,987.04/445,482.18 = 97,315.56/x
  3. Step 3: Cross multiply
    296,987.04x = 445,482.18 × 97,315.56
  4. Step 4: Simplify right side
    296,987.04x = 43,352,347,816.72
  5. Step 5: Solve for x
    x = 43,352,347,816.72/296,987.04
  6. Step 6: Final answer
    x = 145,973.87

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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.