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Finding the Fourth Proportional to 654,572.84, 982,143.48 and 355,264.88

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Solution

The fourth proportional to 654,572.84, 982,143.48 and 355,264.88 is: 533,051.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,572.84 : 982,143.48 = 355,264.88 : x
  2. Step 2: Convert to fraction form
    654,572.84/982,143.48 = 355,264.88/x
  3. Step 3: Cross multiply
    654,572.84x = 982,143.48 × 355,264.88
  4. Step 4: Simplify right side
    654,572.84x = 348,921,085,564.98
  5. Step 5: Solve for x
    x = 348,921,085,564.98/654,572.84
  6. Step 6: Final answer
    x = 533,051.58

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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.