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Finding the Fourth Proportional to 710,716.18, 980,693.82 and 456,411.82

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Solution

The fourth proportional to 710,716.18, 980,693.82 and 456,411.82 is: 629,787.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,716.18 : 980,693.82 = 456,411.82 : x
  2. Step 2: Convert to fraction form
    710,716.18/980,693.82 = 456,411.82/x
  3. Step 3: Cross multiply
    710,716.18x = 980,693.82 × 456,411.82
  4. Step 4: Simplify right side
    710,716.18x = 447,600,251,248.95
  5. Step 5: Solve for x
    x = 447,600,251,248.95/710,716.18
  6. Step 6: Final answer
    x = 629,787.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.