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Finding the Fourth Proportional to 898,340.10, 1,347,510.15 and 365,586.90

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Solution

The fourth proportional to 898,340.10, 1,347,510.15 and 365,586.90 is: 548,380.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,340.10 : 1,347,510.15 = 365,586.90 : x
  2. Step 2: Convert to fraction form
    898,340.10/1,347,510.15 = 365,586.90/x
  3. Step 3: Cross multiply
    898,340.10x = 1,347,510.15 × 365,586.90
  4. Step 4: Simplify right side
    898,340.10x = 492,632,058,457.04
  5. Step 5: Solve for x
    x = 492,632,058,457.04/898,340.10
  6. Step 6: Final answer
    x = 548,380.35

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Double scale
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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.