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Finding the Fourth Proportional to 495,844.32, 683,479.96 and 454,655.84

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Solution

The fourth proportional to 495,844.32, 683,479.96 and 454,655.84 is: 626,705.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,844.32 : 683,479.96 = 454,655.84 : x
  2. Step 2: Convert to fraction form
    495,844.32/683,479.96 = 454,655.84/x
  3. Step 3: Cross multiply
    495,844.32x = 683,479.96 × 454,655.84
  4. Step 4: Simplify right side
    495,844.32x = 310,748,155,336.97
  5. Step 5: Solve for x
    x = 310,748,155,336.97/495,844.32
  6. Step 6: Final answer
    x = 626,705.08

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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.