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Finding the Fourth Proportional to 622,810.21, 934,510.56 and 370,588.96

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Solution

The fourth proportional to 622,810.21, 934,510.56 and 370,588.96 is: 556,059.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,810.21 : 934,510.56 = 370,588.96 : x
  2. Step 2: Convert to fraction form
    622,810.21/934,510.56 = 370,588.96/x
  3. Step 3: Cross multiply
    622,810.21x = 934,510.56 × 370,588.96
  4. Step 4: Simplify right side
    622,810.21x = 346,319,296,539.42
  5. Step 5: Solve for x
    x = 346,319,296,539.42/622,810.21
  6. Step 6: Final answer
    x = 556,059.12

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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.