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Finding the Fourth Proportional to 592,802.20, 889,203.30 and 543,813.40

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Solution

The fourth proportional to 592,802.20, 889,203.30 and 543,813.40 is: 815,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,802.20 : 889,203.30 = 543,813.40 : x
  2. Step 2: Convert to fraction form
    592,802.20/889,203.30 = 543,813.40/x
  3. Step 3: Cross multiply
    592,802.20x = 889,203.30 × 543,813.40
  4. Step 4: Simplify right side
    592,802.20x = 483,560,669,864.22
  5. Step 5: Solve for x
    x = 483,560,669,864.22/592,802.20
  6. Step 6: Final answer
    x = 815,720.10

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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.