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Finding the Fourth Proportional to 622,363.20, 859,051.61 and 364,300.50

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Solution

The fourth proportional to 622,363.20, 859,051.61 and 364,300.50 is: 502,846.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,363.20 : 859,051.61 = 364,300.50 : x
  2. Step 2: Convert to fraction form
    622,363.20/859,051.61 = 364,300.50/x
  3. Step 3: Cross multiply
    622,363.20x = 859,051.61 × 364,300.50
  4. Step 4: Simplify right side
    622,363.20x = 312,952,931,048.81
  5. Step 5: Solve for x
    x = 312,952,931,048.81/622,363.20
  6. Step 6: Final answer
    x = 502,846.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.