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Finding the Fourth Proportional to 607,492.47, 838,385.46 and 349,448.34

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Solution

The fourth proportional to 607,492.47, 838,385.46 and 349,448.34 is: 482,265.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,492.47 : 838,385.46 = 349,448.34 : x
  2. Step 2: Convert to fraction form
    607,492.47/838,385.46 = 349,448.34/x
  3. Step 3: Cross multiply
    607,492.47x = 838,385.46 × 349,448.34
  4. Step 4: Simplify right side
    607,492.47x = 292,972,407,277.14
  5. Step 5: Solve for x
    x = 292,972,407,277.14/607,492.47
  6. Step 6: Final answer
    x = 482,265.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.