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Finding the Fourth Proportional to 625,881.60, 938,826.24 and 152,570.88

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Solution

The fourth proportional to 625,881.60, 938,826.24 and 152,570.88 is: 228,857.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,881.60 : 938,826.24 = 152,570.88 : x
  2. Step 2: Convert to fraction form
    625,881.60/938,826.24 = 152,570.88/x
  3. Step 3: Cross multiply
    625,881.60x = 938,826.24 × 152,570.88
  4. Step 4: Simplify right side
    625,881.60x = 143,237,545,603.89
  5. Step 5: Solve for x
    x = 143,237,545,603.89/625,881.60
  6. Step 6: Final answer
    x = 228,857.26

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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.