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Finding the Fourth Proportional to 522,316.95, 783,349.66 and 332,492.64

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Solution

The fourth proportional to 522,316.95, 783,349.66 and 332,492.64 is: 498,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,316.95 : 783,349.66 = 332,492.64 : x
  2. Step 2: Convert to fraction form
    522,316.95/783,349.66 = 332,492.64/x
  3. Step 3: Cross multiply
    522,316.95x = 783,349.66 × 332,492.64
  4. Step 4: Simplify right side
    522,316.95x = 260,457,996,496.50
  5. Step 5: Solve for x
    x = 260,457,996,496.50/522,316.95
  6. Step 6: Final answer
    x = 498,658.90

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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.