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Finding the Fourth Proportional to 546,553, 819,806.22 and 186,756.18

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Solution

The fourth proportional to 546,553, 819,806.22 and 186,756.18 is: 280,126.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,553 : 819,806.22 = 186,756.18 : x
  2. Step 2: Convert to fraction form
    546,553/819,806.22 = 186,756.18/x
  3. Step 3: Cross multiply
    546,553x = 819,806.22 × 186,756.18
  4. Step 4: Simplify right side
    546,553x = 153,103,877,987.44
  5. Step 5: Solve for x
    x = 153,103,877,987.44/546,553
  6. Step 6: Final answer
    x = 280,126.32

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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.