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Finding the Fourth Proportional to 347,686,301.60, 487,477,458.40 and 347,686,301.60

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Solution

The fourth proportional to 347,686,301.60, 487,477,458.40 and 347,686,301.60 is: 487,477,458.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,686,301.60 : 487,477,458.40 = 347,686,301.60 : x
  2. Step 2: Convert to fraction form
    347,686,301.60/487,477,458.40 = 347,686,301.60/x
  3. Step 3: Cross multiply
    347,686,301.60x = 487,477,458.40 × 347,686,301.60
  4. Step 4: Simplify right side
    347,686,301.60x = 169,489,234,624,463,872
  5. Step 5: Solve for x
    x = 169,489,234,624,463,872/347,686,301.60
  6. Step 6: Final answer
    x = 487,477,458.40

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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.