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Finding the Fourth Proportional to 373,248,421.20, 523,085,266.80 and 373,248,421.20

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Solution

The fourth proportional to 373,248,421.20, 523,085,266.80 and 373,248,421.20 is: 523,085,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,248,421.20 : 523,085,266.80 = 373,248,421.20 : x
  2. Step 2: Convert to fraction form
    373,248,421.20/523,085,266.80 = 373,248,421.20/x
  3. Step 3: Cross multiply
    373,248,421.20x = 523,085,266.80 × 373,248,421.20
  4. Step 4: Simplify right side
    373,248,421.20x = 195,240,749,986,080,768
  5. Step 5: Solve for x
    x = 195,240,749,986,080,768/373,248,421.20
  6. Step 6: Final answer
    x = 523,085,266.80

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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.