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Finding the Fourth Proportional to 672,702,446.70, 1,009,053,670.05 and 672,702,446.70

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Solution

The fourth proportional to 672,702,446.70, 1,009,053,670.05 and 672,702,446.70 is: 1,009,053,670.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,702,446.70 : 1,009,053,670.05 = 672,702,446.70 : x
  2. Step 2: Convert to fraction form
    672,702,446.70/1,009,053,670.05 = 672,702,446.70/x
  3. Step 3: Cross multiply
    672,702,446.70x = 1,009,053,670.05 × 672,702,446.70
  4. Step 4: Simplify right side
    672,702,446.70x = 678,792,872,694,249,472
  5. Step 5: Solve for x
    x = 678,792,872,694,249,472/672,702,446.70
  6. Step 6: Final answer
    x = 1,009,053,670.05

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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.