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Finding the Fourth Proportional to 349,632,121.60, 523,440,412.80 and 349,632,121.60

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Solution

The fourth proportional to 349,632,121.60, 523,440,412.80 and 349,632,121.60 is: 523,440,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,632,121.60 : 523,440,412.80 = 349,632,121.60 : x
  2. Step 2: Convert to fraction form
    349,632,121.60/523,440,412.80 = 349,632,121.60/x
  3. Step 3: Cross multiply
    349,632,121.60x = 523,440,412.80 × 349,632,121.60
  4. Step 4: Simplify right side
    349,632,121.60x = 183,011,582,058,443,808
  5. Step 5: Solve for x
    x = 183,011,582,058,443,808/349,632,121.60
  6. Step 6: Final answer
    x = 523,440,412.80

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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.