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Finding the Fourth Proportional to 344,123.67, 474,966.56 and 191,214.40

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Solution

The fourth proportional to 344,123.67, 474,966.56 and 191,214.40 is: 263,918.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,123.67 : 474,966.56 = 191,214.40 : x
  2. Step 2: Convert to fraction form
    344,123.67/474,966.56 = 191,214.40/x
  3. Step 3: Cross multiply
    344,123.67x = 474,966.56 × 191,214.40
  4. Step 4: Simplify right side
    344,123.67x = 90,820,445,790.46
  5. Step 5: Solve for x
    x = 90,820,445,790.46/344,123.67
  6. Step 6: Final answer
    x = 263,918.04

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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.