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Finding the Fourth Proportional to 557,594.31, 836,812.10 and 258,284.89

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Solution

The fourth proportional to 557,594.31, 836,812.10 and 258,284.89 is: 387,622.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,594.31 : 836,812.10 = 258,284.89 : x
  2. Step 2: Convert to fraction form
    557,594.31/836,812.10 = 258,284.89/x
  3. Step 3: Cross multiply
    557,594.31x = 836,812.10 × 258,284.89
  4. Step 4: Simplify right side
    557,594.31x = 216,135,921,199.17
  5. Step 5: Solve for x
    x = 216,135,921,199.17/557,594.31
  6. Step 6: Final answer
    x = 387,622.18

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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.