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Finding the Fourth Proportional to 348,580.67, 523,018.62 and 190,624.59

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Solution

The fourth proportional to 348,580.67, 523,018.62 and 190,624.59 is: 286,017.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,580.67 : 523,018.62 = 190,624.59 : x
  2. Step 2: Convert to fraction form
    348,580.67/523,018.62 = 190,624.59/x
  3. Step 3: Cross multiply
    348,580.67x = 523,018.62 × 190,624.59
  4. Step 4: Simplify right side
    348,580.67x = 99,700,209,999.87
  5. Step 5: Solve for x
    x = 99,700,209,999.87/348,580.67
  6. Step 6: Final answer
    x = 286,017.61

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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.