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Finding the Fourth Proportional to 468,192.96, 646,101.63 and 253,328.31

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Solution

The fourth proportional to 468,192.96, 646,101.63 and 253,328.31 is: 349,590.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,192.96 : 646,101.63 = 253,328.31 : x
  2. Step 2: Convert to fraction form
    468,192.96/646,101.63 = 253,328.31/x
  3. Step 3: Cross multiply
    468,192.96x = 646,101.63 × 253,328.31
  4. Step 4: Simplify right side
    468,192.96x = 163,675,834,016.15
  5. Step 5: Solve for x
    x = 163,675,834,016.15/468,192.96
  6. Step 6: Final answer
    x = 349,590.55

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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.