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Finding the Fourth Proportional to 614,148.84, 847,531.44 and 359,505.36

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Solution

The fourth proportional to 614,148.84, 847,531.44 and 359,505.36 is: 496,120.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,148.84 : 847,531.44 = 359,505.36 : x
  2. Step 2: Convert to fraction form
    614,148.84/847,531.44 = 359,505.36/x
  3. Step 3: Cross multiply
    614,148.84x = 847,531.44 × 359,505.36
  4. Step 4: Simplify right side
    614,148.84x = 304,692,095,448.52
  5. Step 5: Solve for x
    x = 304,692,095,448.52/614,148.84
  6. Step 6: Final answer
    x = 496,120.93

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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.