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Finding the Fourth Proportional to 497,664,256.60, 697,446,595.40 and 497,664,256.60

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Solution

The fourth proportional to 497,664,256.60, 697,446,595.40 and 497,664,256.60 is: 697,446,595.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,664,256.60 : 697,446,595.40 = 497,664,256.60 : x
  2. Step 2: Convert to fraction form
    497,664,256.60/697,446,595.40 = 497,664,256.60/x
  3. Step 3: Cross multiply
    497,664,256.60x = 697,446,595.40 × 497,664,256.60
  4. Step 4: Simplify right side
    497,664,256.60x = 347,094,241,417,942,016
  5. Step 5: Solve for x
    x = 347,094,241,417,942,016/497,664,256.60
  6. Step 6: Final answer
    x = 697,446,595.40

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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.