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Finding the Fourth Proportional to 3,258,701.40, 4,571,629.80 and 3,258,701.40

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Solution

The fourth proportional to 3,258,701.40, 4,571,629.80 and 3,258,701.40 is: 4,571,629.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258,701.40 : 4,571,629.80 = 3,258,701.40 : x
  2. Step 2: Convert to fraction form
    3,258,701.40/4,571,629.80 = 3,258,701.40/x
  3. Step 3: Cross multiply
    3,258,701.40x = 4,571,629.80 × 3,258,701.40
  4. Step 4: Simplify right side
    3,258,701.40x = 14,897,576,429,541.72
  5. Step 5: Solve for x
    x = 14,897,576,429,541.72/3,258,701.40
  6. Step 6: Final answer
    x = 4,571,629.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.