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Finding the Fourth Proportional to 698,907.88, 964,260.87 and 569,624.05

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Solution

The fourth proportional to 698,907.88, 964,260.87 and 569,624.05 is: 785,892.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,907.88 : 964,260.87 = 569,624.05 : x
  2. Step 2: Convert to fraction form
    698,907.88/964,260.87 = 569,624.05/x
  3. Step 3: Cross multiply
    698,907.88x = 964,260.87 × 569,624.05
  4. Step 4: Simplify right side
    698,907.88x = 549,266,182,025.92
  5. Step 5: Solve for x
    x = 549,266,182,025.92/698,907.88
  6. Step 6: Final answer
    x = 785,892.10

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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.