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Finding the Fourth Proportional to 913,404.60, 1,370,106.90 and 913,404.60

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Solution

The fourth proportional to 913,404.60, 1,370,106.90 and 913,404.60 is: 1,370,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,404.60 : 1,370,106.90 = 913,404.60 : x
  2. Step 2: Convert to fraction form
    913,404.60/1,370,106.90 = 913,404.60/x
  3. Step 3: Cross multiply
    913,404.60x = 1,370,106.90 × 913,404.60
  4. Step 4: Simplify right side
    913,404.60x = 1,251,461,944,951.74
  5. Step 5: Solve for x
    x = 1,251,461,944,951.74/913,404.60
  6. Step 6: Final answer
    x = 1,370,106.90

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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.