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Finding the Fourth Proportional to 713,342.49, 983,622.04 and 454,809.93

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Solution

The fourth proportional to 713,342.49, 983,622.04 and 454,809.93 is: 627,133.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,342.49 : 983,622.04 = 454,809.93 : x
  2. Step 2: Convert to fraction form
    713,342.49/983,622.04 = 454,809.93/x
  3. Step 3: Cross multiply
    713,342.49x = 983,622.04 × 454,809.93
  4. Step 4: Simplify right side
    713,342.49x = 447,361,071,158.86
  5. Step 5: Solve for x
    x = 447,361,071,158.86/713,342.49
  6. Step 6: Final answer
    x = 627,133.64

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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.