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Finding the Fourth Proportional to 292,570.36, 403,744.76 and 158,434.36

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Solution

The fourth proportional to 292,570.36, 403,744.76 and 158,434.36 is: 218,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,570.36 : 403,744.76 = 158,434.36 : x
  2. Step 2: Convert to fraction form
    292,570.36/403,744.76 = 158,434.36/x
  3. Step 3: Cross multiply
    292,570.36x = 403,744.76 × 158,434.36
  4. Step 4: Simplify right side
    292,570.36x = 63,967,042,653.95
  5. Step 5: Solve for x
    x = 63,967,042,653.95/292,570.36
  6. Step 6: Final answer
    x = 218,638.15

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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.