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Finding the Fourth Proportional to 551,386.85, 826,344.18 and 294,693.39

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Solution

The fourth proportional to 551,386.85, 826,344.18 and 294,693.39 is: 441,646.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,386.85 : 826,344.18 = 294,693.39 : x
  2. Step 2: Convert to fraction form
    551,386.85/826,344.18 = 294,693.39/x
  3. Step 3: Cross multiply
    551,386.85x = 826,344.18 × 294,693.39
  4. Step 4: Simplify right side
    551,386.85x = 243,518,167,710.97
  5. Step 5: Solve for x
    x = 243,518,167,710.97/551,386.85
  6. Step 6: Final answer
    x = 441,646.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.