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Finding the Fourth Proportional to 559,916.19, 840,222.59 and 227,492.19

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Solution

The fourth proportional to 559,916.19, 840,222.59 and 227,492.19 is: 341,379.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,916.19 : 840,222.59 = 227,492.19 : x
  2. Step 2: Convert to fraction form
    559,916.19/840,222.59 = 227,492.19/x
  3. Step 3: Cross multiply
    559,916.19x = 840,222.59 × 227,492.19
  4. Step 4: Simplify right side
    559,916.19x = 191,144,075,949.11
  5. Step 5: Solve for x
    x = 191,144,075,949.11/559,916.19
  6. Step 6: Final answer
    x = 341,379.80

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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.