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Finding the Fourth Proportional to 648,937.54, 895,528.54 and 358,548.19

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Solution

The fourth proportional to 648,937.54, 895,528.54 and 358,548.19 is: 494,793.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,937.54 : 895,528.54 = 358,548.19 : x
  2. Step 2: Convert to fraction form
    648,937.54/895,528.54 = 358,548.19/x
  3. Step 3: Cross multiply
    648,937.54x = 895,528.54 × 358,548.19
  4. Step 4: Simplify right side
    648,937.54x = 321,090,135,319.71
  5. Step 5: Solve for x
    x = 321,090,135,319.71/648,937.54
  6. Step 6: Final answer
    x = 494,793.59

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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.