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Finding the Fourth Proportional to 292,645.48, 403,851.62 and 158,509.48

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Solution

The fourth proportional to 292,645.48, 403,851.62 and 158,509.48 is: 218,743.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,645.48 : 403,851.62 = 158,509.48 : x
  2. Step 2: Convert to fraction form
    292,645.48/403,851.62 = 158,509.48/x
  3. Step 3: Cross multiply
    292,645.48x = 403,851.62 × 158,509.48
  4. Step 4: Simplify right side
    292,645.48x = 64,014,310,283.36
  5. Step 5: Solve for x
    x = 64,014,310,283.36/292,645.48
  6. Step 6: Final answer
    x = 218,743.55

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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.