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Finding the Fourth Proportional to 346,096.78, 477,613.65 and 191,048.16

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Solution

The fourth proportional to 346,096.78, 477,613.65 and 191,048.16 is: 263,646.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,096.78 : 477,613.65 = 191,048.16 : x
  2. Step 2: Convert to fraction form
    346,096.78/477,613.65 = 191,048.16/x
  3. Step 3: Cross multiply
    346,096.78x = 477,613.65 × 191,048.16
  4. Step 4: Simplify right side
    346,096.78x = 91,247,211,530.87
  5. Step 5: Solve for x
    x = 91,247,211,530.87/346,096.78
  6. Step 6: Final answer
    x = 263,646.52

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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.