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Finding the Fourth Proportional to 270,496.64, 373,313.26 and 155,779.04

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Solution

The fourth proportional to 270,496.64, 373,313.26 and 155,779.04 is: 214,991.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,496.64 : 373,313.26 = 155,779.04 : x
  2. Step 2: Convert to fraction form
    270,496.64/373,313.26 = 155,779.04/x
  3. Step 3: Cross multiply
    270,496.64x = 373,313.26 × 155,779.04
  4. Step 4: Simplify right side
    270,496.64x = 58,154,381,262.07
  5. Step 5: Solve for x
    x = 58,154,381,262.07/270,496.64
  6. Step 6: Final answer
    x = 214,991.14

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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.