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Finding the Fourth Proportional to 355,000.56, 532,496.99 and 283,588.17

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Solution

The fourth proportional to 355,000.56, 532,496.99 and 283,588.17 is: 425,379.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,000.56 : 532,496.99 = 283,588.17 : x
  2. Step 2: Convert to fraction form
    355,000.56/532,496.99 = 283,588.17/x
  3. Step 3: Cross multiply
    355,000.56x = 532,496.99 × 283,588.17
  4. Step 4: Simplify right side
    355,000.56x = 151,009,845,506.67
  5. Step 5: Solve for x
    x = 151,009,845,506.67/355,000.56
  6. Step 6: Final answer
    x = 425,379.18

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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.