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Finding the Fourth Proportional to 484,707.60, 727,061.40 and 335,408.40

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Solution

The fourth proportional to 484,707.60, 727,061.40 and 335,408.40 is: 503,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,707.60 : 727,061.40 = 335,408.40 : x
  2. Step 2: Convert to fraction form
    484,707.60/727,061.40 = 335,408.40/x
  3. Step 3: Cross multiply
    484,707.60x = 727,061.40 × 335,408.40
  4. Step 4: Simplify right side
    484,707.60x = 243,862,500,875.76
  5. Step 5: Solve for x
    x = 243,862,500,875.76/484,707.60
  6. Step 6: Final answer
    x = 503,112.60

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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.