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Finding the Fourth Proportional to 595,005.60, 821,122 and 323,084.96

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Solution

The fourth proportional to 595,005.60, 821,122 and 323,084.96 is: 445,864.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,005.60 : 821,122 = 323,084.96 : x
  2. Step 2: Convert to fraction form
    595,005.60/821,122 = 323,084.96/x
  3. Step 3: Cross multiply
    595,005.60x = 821,122 × 323,084.96
  4. Step 4: Simplify right side
    595,005.60x = 265,292,168,525.12
  5. Step 5: Solve for x
    x = 265,292,168,525.12/595,005.60
  6. Step 6: Final answer
    x = 445,864.99

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1.5x scale

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.