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Finding the Fourth Proportional to 196,672,662.40, 294,442,123.20 and 196,672,662.40

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Solution

The fourth proportional to 196,672,662.40, 294,442,123.20 and 196,672,662.40 is: 294,442,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,672,662.40 : 294,442,123.20 = 196,672,662.40 : x
  2. Step 2: Convert to fraction form
    196,672,662.40/294,442,123.20 = 196,672,662.40/x
  3. Step 3: Cross multiply
    196,672,662.40x = 294,442,123.20 × 196,672,662.40
  4. Step 4: Simplify right side
    196,672,662.40x = 57,908,716,292,452,808
  5. Step 5: Solve for x
    x = 57,908,716,292,452,808/196,672,662.40
  6. Step 6: Final answer
    x = 294,442,123.20

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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.