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Finding the Fourth Proportional to 355,254.10, 532,881.15 and 307,561.30

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Solution

The fourth proportional to 355,254.10, 532,881.15 and 307,561.30 is: 461,341.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,254.10 : 532,881.15 = 307,561.30 : x
  2. Step 2: Convert to fraction form
    355,254.10/532,881.15 = 307,561.30/x
  3. Step 3: Cross multiply
    355,254.10x = 532,881.15 × 307,561.30
  4. Step 4: Simplify right side
    355,254.10x = 163,893,619,239.50
  5. Step 5: Solve for x
    x = 163,893,619,239.50/355,254.10
  6. Step 6: Final answer
    x = 461,341.95

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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.