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Finding the Fourth Proportional to 545,812.40, 819,010.20 and 246,339.20

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Solution

The fourth proportional to 545,812.40, 819,010.20 and 246,339.20 is: 369,640.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,812.40 : 819,010.20 = 246,339.20 : x
  2. Step 2: Convert to fraction form
    545,812.40/819,010.20 = 246,339.20/x
  3. Step 3: Cross multiply
    545,812.40x = 819,010.20 × 246,339.20
  4. Step 4: Simplify right side
    545,812.40x = 201,754,317,459.84
  5. Step 5: Solve for x
    x = 201,754,317,459.84/545,812.40
  6. Step 6: Final answer
    x = 369,640.41

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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.