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Finding the Fourth Proportional to 468,304.31, 646,259.82 and 253,444.34

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Solution

The fourth proportional to 468,304.31, 646,259.82 and 253,444.34 is: 349,753.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,304.31 : 646,259.82 = 253,444.34 : x
  2. Step 2: Convert to fraction form
    468,304.31/646,259.82 = 253,444.34/x
  3. Step 3: Cross multiply
    468,304.31x = 646,259.82 × 253,444.34
  4. Step 4: Simplify right side
    468,304.31x = 163,790,893,548.42
  5. Step 5: Solve for x
    x = 163,790,893,548.42/468,304.31
  6. Step 6: Final answer
    x = 349,753.12

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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.