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Finding the Fourth Proportional to 609,774.66, 910,311.76 and 569,252.18

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Solution

The fourth proportional to 609,774.66, 910,311.76 and 569,252.18 is: 849,817.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,774.66 : 910,311.76 = 569,252.18 : x
  2. Step 2: Convert to fraction form
    609,774.66/910,311.76 = 569,252.18/x
  3. Step 3: Cross multiply
    609,774.66x = 910,311.76 × 569,252.18
  4. Step 4: Simplify right side
    609,774.66x = 518,196,953,859.64
  5. Step 5: Solve for x
    x = 518,196,953,859.64/609,774.66
  6. Step 6: Final answer
    x = 849,817.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.