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Finding the Fourth Proportional to 539,599.02, 744,652.68 and 297,881.72

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Solution

The fourth proportional to 539,599.02, 744,652.68 and 297,881.72 is: 411,080.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,599.02 : 744,652.68 = 297,881.72 : x
  2. Step 2: Convert to fraction form
    539,599.02/744,652.68 = 297,881.72/x
  3. Step 3: Cross multiply
    539,599.02x = 744,652.68 × 297,881.72
  4. Step 4: Simplify right side
    539,599.02x = 221,818,421,121.01
  5. Step 5: Solve for x
    x = 221,818,421,121.01/539,599.02
  6. Step 6: Final answer
    x = 411,080.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.