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Finding the Fourth Proportional to 590,420.60, 886,068.30 and 235,689.20

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Solution

The fourth proportional to 590,420.60, 886,068.30 and 235,689.20 is: 353,708.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,420.60 : 886,068.30 = 235,689.20 : x
  2. Step 2: Convert to fraction form
    590,420.60/886,068.30 = 235,689.20/x
  3. Step 3: Cross multiply
    590,420.60x = 886,068.30 × 235,689.20
  4. Step 4: Simplify right side
    590,420.60x = 208,836,728,772.36
  5. Step 5: Solve for x
    x = 208,836,728,772.36/590,420.60
  6. Step 6: Final answer
    x = 353,708.41

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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.