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Finding the Fourth Proportional to 589,630.70, 882,404.85 and 353,143.10

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Solution

The fourth proportional to 589,630.70, 882,404.85 and 353,143.10 is: 528,492.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,630.70 : 882,404.85 = 353,143.10 : x
  2. Step 2: Convert to fraction form
    589,630.70/882,404.85 = 353,143.10/x
  3. Step 3: Cross multiply
    589,630.70x = 882,404.85 × 353,143.10
  4. Step 4: Simplify right side
    589,630.70x = 311,615,184,184.04
  5. Step 5: Solve for x
    x = 311,615,184,184.04/589,630.70
  6. Step 6: Final answer
    x = 528,492.13

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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.