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Finding the Fourth Proportional to 579,362.04, 869,043.78 and 158,641.56

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Solution

The fourth proportional to 579,362.04, 869,043.78 and 158,641.56 is: 237,962.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,362.04 : 869,043.78 = 158,641.56 : x
  2. Step 2: Convert to fraction form
    579,362.04/869,043.78 = 158,641.56/x
  3. Step 3: Cross multiply
    579,362.04x = 869,043.78 × 158,641.56
  4. Step 4: Simplify right side
    579,362.04x = 137,866,460,967.50
  5. Step 5: Solve for x
    x = 137,866,460,967.50/579,362.04
  6. Step 6: Final answer
    x = 237,962.54

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.