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Finding the Fourth Proportional to 614,134.09, 921,486.47 and 234,929.48

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Solution

The fourth proportional to 614,134.09, 921,486.47 and 234,929.48 is: 352,503.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,134.09 : 921,486.47 = 234,929.48 : x
  2. Step 2: Convert to fraction form
    614,134.09/921,486.47 = 234,929.48/x
  3. Step 3: Cross multiply
    614,134.09x = 921,486.47 × 234,929.48
  4. Step 4: Simplify right side
    614,134.09x = 216,484,331,442.06
  5. Step 5: Solve for x
    x = 216,484,331,442.06/614,134.09
  6. Step 6: Final answer
    x = 352,503.36

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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.