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Finding the Fourth Proportional to 649,208.66, 895,954.30 and 358,814.00

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Solution

The fourth proportional to 649,208.66, 895,954.30 and 358,814.00 is: 495,188.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,208.66 : 895,954.30 = 358,814.00 : x
  2. Step 2: Convert to fraction form
    649,208.66/895,954.30 = 358,814.00/x
  3. Step 3: Cross multiply
    649,208.66x = 895,954.30 × 358,814.00
  4. Step 4: Simplify right side
    649,208.66x = 321,480,947,543.05
  5. Step 5: Solve for x
    x = 321,480,947,543.05/649,208.66
  6. Step 6: Final answer
    x = 495,188.94

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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.