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Finding the Fourth Proportional to 898,170.10, 1,347,611.55 and 365,730.10

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Solution

The fourth proportional to 898,170.10, 1,347,611.55 and 365,730.10 is: 548,740.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,170.10 : 1,347,611.55 = 365,730.10 : x
  2. Step 2: Convert to fraction form
    898,170.10/1,347,611.55 = 365,730.10/x
  3. Step 3: Cross multiply
    898,170.10x = 1,347,611.55 × 365,730.10
  4. Step 4: Simplify right side
    898,170.10x = 492,862,106,942.66
  5. Step 5: Solve for x
    x = 492,862,106,942.66/898,170.10
  6. Step 6: Final answer
    x = 548,740.27

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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.