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Finding the Fourth Proportional to 283,486,698.40, 425,230,047.60 and 242,672,029.60

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Solution

The fourth proportional to 283,486,698.40, 425,230,047.60 and 242,672,029.60 is: 364,008,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,486,698.40 : 425,230,047.60 = 242,672,029.60 : x
  2. Step 2: Convert to fraction form
    283,486,698.40/425,230,047.60 = 242,672,029.60/x
  3. Step 3: Cross multiply
    283,486,698.40x = 425,230,047.60 × 242,672,029.60
  4. Step 4: Simplify right side
    283,486,698.40x = 103,191,438,697,996,608
  5. Step 5: Solve for x
    x = 103,191,438,697,996,608/283,486,698.40
  6. Step 6: Final answer
    x = 364,008,044.40

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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.