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Finding the Fourth Proportional to 898,455.60, 1,347,683.40 and 365,702.40

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Solution

The fourth proportional to 898,455.60, 1,347,683.40 and 365,702.40 is: 548,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,455.60 : 1,347,683.40 = 365,702.40 : x
  2. Step 2: Convert to fraction form
    898,455.60/1,347,683.40 = 365,702.40/x
  3. Step 3: Cross multiply
    898,455.60x = 1,347,683.40 × 365,702.40
  4. Step 4: Simplify right side
    898,455.60x = 492,851,053,820.16
  5. Step 5: Solve for x
    x = 492,851,053,820.16/898,455.60
  6. Step 6: Final answer
    x = 548,553.60

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Similar ratio
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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.