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Finding the Fourth Proportional to 612,715.34, 917,498.36 and 375,338.36

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Solution

The fourth proportional to 612,715.34, 917,498.36 and 375,338.36 is: 562,042.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,715.34 : 917,498.36 = 375,338.36 : x
  2. Step 2: Convert to fraction form
    612,715.34/917,498.36 = 375,338.36/x
  3. Step 3: Cross multiply
    612,715.34x = 917,498.36 × 375,338.36
  4. Step 4: Simplify right side
    612,715.34x = 344,372,323,280.91
  5. Step 5: Solve for x
    x = 344,372,323,280.91/612,715.34
  6. Step 6: Final answer
    x = 562,042.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.