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Finding the Fourth Proportional to 556,245.76, 834,492.68 and 236,407.71

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Solution

The fourth proportional to 556,245.76, 834,492.68 and 236,407.71 is: 354,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,245.76 : 834,492.68 = 236,407.71 : x
  2. Step 2: Convert to fraction form
    556,245.76/834,492.68 = 236,407.71/x
  3. Step 3: Cross multiply
    556,245.76x = 834,492.68 × 236,407.71
  4. Step 4: Simplify right side
    556,245.76x = 197,280,506,324.40
  5. Step 5: Solve for x
    x = 197,280,506,324.40/556,245.76
  6. Step 6: Final answer
    x = 354,664.29

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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.