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Finding the Fourth Proportional to 376,879,698.60, 564,899,643.90 and 146,772,306.60

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Solution

The fourth proportional to 376,879,698.60, 564,899,643.90 and 146,772,306.60 is: 219,994,932.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,879,698.60 : 564,899,643.90 = 146,772,306.60 : x
  2. Step 2: Convert to fraction form
    376,879,698.60/564,899,643.90 = 146,772,306.60/x
  3. Step 3: Cross multiply
    376,879,698.60x = 564,899,643.90 × 146,772,306.60
  4. Step 4: Simplify right side
    376,879,698.60x = 82,911,623,732,721,616
  5. Step 5: Solve for x
    x = 82,911,623,732,721,616/376,879,698.60
  6. Step 6: Final answer
    x = 219,994,932.18

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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.