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Finding the Fourth Proportional to 474,677.49, 654,925.40 and 270,654.01

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Solution

The fourth proportional to 474,677.49, 654,925.40 and 270,654.01 is: 373,428.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,677.49 : 654,925.40 = 270,654.01 : x
  2. Step 2: Convert to fraction form
    474,677.49/654,925.40 = 270,654.01/x
  3. Step 3: Cross multiply
    474,677.49x = 654,925.40 × 270,654.01
  4. Step 4: Simplify right side
    474,677.49x = 177,258,183,785.22
  5. Step 5: Solve for x
    x = 177,258,183,785.22/474,677.49
  6. Step 6: Final answer
    x = 373,428.67

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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.