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Finding the Fourth Proportional to 649,054.58, 895,693.05 and 358,658.06

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Solution

The fourth proportional to 649,054.58, 895,693.05 and 358,658.06 is: 494,946.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,054.58 : 895,693.05 = 358,658.06 : x
  2. Step 2: Convert to fraction form
    649,054.58/895,693.05 = 358,658.06/x
  3. Step 3: Cross multiply
    649,054.58x = 895,693.05 × 358,658.06
  4. Step 4: Simplify right side
    649,054.58x = 321,247,527,190.02
  5. Step 5: Solve for x
    x = 321,247,527,190.02/649,054.58
  6. Step 6: Final answer
    x = 494,946.87

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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.