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Finding the Fourth Proportional to 591,275.60, 886,740.60 and 212,152.40

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Solution

The fourth proportional to 591,275.60, 886,740.60 and 212,152.40 is: 318,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,275.60 : 886,740.60 = 212,152.40 : x
  2. Step 2: Convert to fraction form
    591,275.60/886,740.60 = 212,152.40/x
  3. Step 3: Cross multiply
    591,275.60x = 886,740.60 × 212,152.40
  4. Step 4: Simplify right side
    591,275.60x = 188,124,146,467.44
  5. Step 5: Solve for x
    x = 188,124,146,467.44/591,275.60
  6. Step 6: Final answer
    x = 318,166.60

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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.