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Finding the Fourth Proportional to 292,810.84, 404,079.42 and 158,674.84

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Solution

The fourth proportional to 292,810.84, 404,079.42 and 158,674.84 is: 218,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,810.84 : 404,079.42 = 158,674.84 : x
  2. Step 2: Convert to fraction form
    292,810.84/404,079.42 = 158,674.84/x
  3. Step 3: Cross multiply
    292,810.84x = 404,079.42 × 158,674.84
  4. Step 4: Simplify right side
    292,810.84x = 64,117,237,315.79
  5. Step 5: Solve for x
    x = 64,117,237,315.79/292,810.84
  6. Step 6: Final answer
    x = 218,971.53

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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.