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Finding the Fourth Proportional to 292,809.84, 404,078.04 and 158,673.84

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Solution

The fourth proportional to 292,809.84, 404,078.04 and 158,673.84 is: 218,970.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,809.84 : 404,078.04 = 158,673.84 : x
  2. Step 2: Convert to fraction form
    292,809.84/404,078.04 = 158,673.84/x
  3. Step 3: Cross multiply
    292,809.84x = 404,078.04 × 158,673.84
  4. Step 4: Simplify right side
    292,809.84x = 64,116,614,266.47
  5. Step 5: Solve for x
    x = 64,116,614,266.47/292,809.84
  6. Step 6: Final answer
    x = 218,970.15

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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.