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Finding the Fourth Proportional to 416,056.76, 574,156.60 and 225,069.68

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Solution

The fourth proportional to 416,056.76, 574,156.60 and 225,069.68 is: 310,595.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,056.76 : 574,156.60 = 225,069.68 : x
  2. Step 2: Convert to fraction form
    416,056.76/574,156.60 = 225,069.68/x
  3. Step 3: Cross multiply
    416,056.76x = 574,156.60 × 225,069.68
  4. Step 4: Simplify right side
    416,056.76x = 129,225,242,231.89
  5. Step 5: Solve for x
    x = 129,225,242,231.89/416,056.76
  6. Step 6: Final answer
    x = 310,595.22

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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.