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Finding the Fourth Proportional to 623,920.20, 934,130.70 and 606,424.20

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Solution

The fourth proportional to 623,920.20, 934,130.70 and 606,424.20 is: 907,935.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,920.20 : 934,130.70 = 606,424.20 : x
  2. Step 2: Convert to fraction form
    623,920.20/934,130.70 = 606,424.20/x
  3. Step 3: Cross multiply
    623,920.20x = 934,130.70 × 606,424.20
  4. Step 4: Simplify right side
    623,920.20x = 566,479,462,442.94
  5. Step 5: Solve for x
    x = 566,479,462,442.94/623,920.20
  6. Step 6: Final answer
    x = 907,935.76

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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.