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Finding the Fourth Proportional to 329,881.04, 455,345.52 and 234,663.92

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Solution

The fourth proportional to 329,881.04, 455,345.52 and 234,663.92 is: 323,914.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,881.04 : 455,345.52 = 234,663.92 : x
  2. Step 2: Convert to fraction form
    329,881.04/455,345.52 = 234,663.92/x
  3. Step 3: Cross multiply
    329,881.04x = 455,345.52 × 234,663.92
  4. Step 4: Simplify right side
    329,881.04x = 106,853,164,677.64
  5. Step 5: Solve for x
    x = 106,853,164,677.64/329,881.04
  6. Step 6: Final answer
    x = 323,914.23

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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.