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Finding the Fourth Proportional to 623,907.70, 934,111.95 and 606,411.70

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Solution

The fourth proportional to 623,907.70, 934,111.95 and 606,411.70 is: 907,917.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,907.70 : 934,111.95 = 606,411.70 : x
  2. Step 2: Convert to fraction form
    623,907.70/934,111.95 = 606,411.70/x
  3. Step 3: Cross multiply
    623,907.70x = 934,111.95 × 606,411.70
  4. Step 4: Simplify right side
    623,907.70x = 566,456,415,589.82
  5. Step 5: Solve for x
    x = 566,456,415,589.82/623,907.70
  6. Step 6: Final answer
    x = 907,917.01

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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.