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Finding the Fourth Proportional to 539,325.60, 744,417.36 and 313,044

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Solution

The fourth proportional to 539,325.60, 744,417.36 and 313,044 is: 432,086.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,325.60 : 744,417.36 = 313,044 : x
  2. Step 2: Convert to fraction form
    539,325.60/744,417.36 = 313,044/x
  3. Step 3: Cross multiply
    539,325.60x = 744,417.36 × 313,044
  4. Step 4: Simplify right side
    539,325.60x = 233,035,388,043.84
  5. Step 5: Solve for x
    x = 233,035,388,043.84/539,325.60
  6. Step 6: Final answer
    x = 432,086.64

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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.