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Finding the Fourth Proportional to 622,397.30, 933,595.95 and 555,475.10

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Solution

The fourth proportional to 622,397.30, 933,595.95 and 555,475.10 is: 833,212.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,397.30 : 933,595.95 = 555,475.10 : x
  2. Step 2: Convert to fraction form
    622,397.30/933,595.95 = 555,475.10/x
  3. Step 3: Cross multiply
    622,397.30x = 933,595.95 × 555,475.10
  4. Step 4: Simplify right side
    622,397.30x = 518,589,303,685.85
  5. Step 5: Solve for x
    x = 518,589,303,685.85/622,397.30
  6. Step 6: Final answer
    x = 833,212.65

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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.