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Finding the Fourth Proportional to 191,574.04, 264,300.70 and 191,278.68

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Solution

The fourth proportional to 191,574.04, 264,300.70 and 191,278.68 is: 263,893.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,574.04 : 264,300.70 = 191,278.68 : x
  2. Step 2: Convert to fraction form
    191,574.04/264,300.70 = 191,278.68/x
  3. Step 3: Cross multiply
    191,574.04x = 264,300.70 × 191,278.68
  4. Step 4: Simplify right side
    191,574.04x = 50,555,089,019.08
  5. Step 5: Solve for x
    x = 50,555,089,019.08/191,574.04
  6. Step 6: Final answer
    x = 263,893.21

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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.