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Finding the Fourth Proportional to 545,025,693.60, 817,538,540.40 and 545,025,693.60

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Solution

The fourth proportional to 545,025,693.60, 817,538,540.40 and 545,025,693.60 is: 817,538,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,025,693.60 : 817,538,540.40 = 545,025,693.60 : x
  2. Step 2: Convert to fraction form
    545,025,693.60/817,538,540.40 = 545,025,693.60/x
  3. Step 3: Cross multiply
    545,025,693.60x = 817,538,540.40 × 545,025,693.60
  4. Step 4: Simplify right side
    545,025,693.60x = 445,579,510,026,241,600
  5. Step 5: Solve for x
    x = 445,579,510,026,241,600/545,025,693.60
  6. Step 6: Final answer
    x = 817,538,540.40

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1.5x scale

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.