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Finding the Fourth Proportional to 570,420,060.40, 855,630,090.60 and 570,420,060.40

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Solution

The fourth proportional to 570,420,060.40, 855,630,090.60 and 570,420,060.40 is: 855,630,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,420,060.40 : 855,630,090.60 = 570,420,060.40 : x
  2. Step 2: Convert to fraction form
    570,420,060.40/855,630,090.60 = 570,420,060.40/x
  3. Step 3: Cross multiply
    570,420,060.40x = 855,630,090.60 × 570,420,060.40
  4. Step 4: Simplify right side
    570,420,060.40x = 488,068,567,960,109,440
  5. Step 5: Solve for x
    x = 488,068,567,960,109,440/570,420,060.40
  6. Step 6: Final answer
    x = 855,630,090.60

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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.