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Finding the Fourth Proportional to 616,907.47, 851,326.47 and 344,972.24

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Solution

The fourth proportional to 616,907.47, 851,326.47 and 344,972.24 is: 476,058.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,907.47 : 851,326.47 = 344,972.24 : x
  2. Step 2: Convert to fraction form
    616,907.47/851,326.47 = 344,972.24/x
  3. Step 3: Cross multiply
    616,907.47x = 851,326.47 × 344,972.24
  4. Step 4: Simplify right side
    616,907.47x = 293,683,997,602.33
  5. Step 5: Solve for x
    x = 293,683,997,602.33/616,907.47
  6. Step 6: Final answer
    x = 476,058.43

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1.5x scale

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.