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Finding the Fourth Proportional to 554,810.20, 832,215.30 and 533,037.40

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Solution

The fourth proportional to 554,810.20, 832,215.30 and 533,037.40 is: 799,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,810.20 : 832,215.30 = 533,037.40 : x
  2. Step 2: Convert to fraction form
    554,810.20/832,215.30 = 533,037.40/x
  3. Step 3: Cross multiply
    554,810.20x = 832,215.30 × 533,037.40
  4. Step 4: Simplify right side
    554,810.20x = 443,601,879,752.22
  5. Step 5: Solve for x
    x = 443,601,879,752.22/554,810.20
  6. Step 6: Final answer
    x = 799,556.10

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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.