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Finding the Fourth Proportional to 603,062,783.60, 842,566,028.20 and 603,062,783.60

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Solution

The fourth proportional to 603,062,783.60, 842,566,028.20 and 603,062,783.60 is: 842,566,028.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,062,783.60 : 842,566,028.20 = 603,062,783.60 : x
  2. Step 2: Convert to fraction form
    603,062,783.60/842,566,028.20 = 603,062,783.60/x
  3. Step 3: Cross multiply
    603,062,783.60x = 842,566,028.20 × 603,062,783.60
  4. Step 4: Simplify right side
    603,062,783.60x = 508,120,214,333,088,128
  5. Step 5: Solve for x
    x = 508,120,214,333,088,128/603,062,783.60
  6. Step 6: Final answer
    x = 842,566,028.20

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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.