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Finding the Fourth Proportional to 267,223,406.40, 400,835,109.60 and 234,911,793.60

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Solution

The fourth proportional to 267,223,406.40, 400,835,109.60 and 234,911,793.60 is: 352,367,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,223,406.40 : 400,835,109.60 = 234,911,793.60 : x
  2. Step 2: Convert to fraction form
    267,223,406.40/400,835,109.60 = 234,911,793.60/x
  3. Step 3: Cross multiply
    267,223,406.40x = 400,835,109.60 × 234,911,793.60
  4. Step 4: Simplify right side
    267,223,406.40x = 94,160,894,533,988,576
  5. Step 5: Solve for x
    x = 94,160,894,533,988,576/267,223,406.40
  6. Step 6: Final answer
    x = 352,367,690.40

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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.