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Finding the Fourth Proportional to 292,945.50, 404,264.80 and 158,809.50

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Solution

The fourth proportional to 292,945.50, 404,264.80 and 158,809.50 is: 219,157.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,945.50 : 404,264.80 = 158,809.50 : x
  2. Step 2: Convert to fraction form
    292,945.50/404,264.80 = 158,809.50/x
  3. Step 3: Cross multiply
    292,945.50x = 404,264.80 × 158,809.50
  4. Step 4: Simplify right side
    292,945.50x = 64,201,090,755.60
  5. Step 5: Solve for x
    x = 64,201,090,755.60/292,945.50
  6. Step 6: Final answer
    x = 219,157.12

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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.