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Finding the Fourth Proportional to 293,597.87, 405,140.31 and 162,779.01

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Solution

The fourth proportional to 293,597.87, 405,140.31 and 162,779.01 is: 224,621.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,597.87 : 405,140.31 = 162,779.01 : x
  2. Step 2: Convert to fraction form
    293,597.87/405,140.31 = 162,779.01/x
  3. Step 3: Cross multiply
    293,597.87x = 405,140.31 × 162,779.01
  4. Step 4: Simplify right side
    293,597.87x = 65,948,338,572.89
  5. Step 5: Solve for x
    x = 65,948,338,572.89/293,597.87
  6. Step 6: Final answer
    x = 224,621.32

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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.