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Finding the Fourth Proportional to 559,810.20, 839,715.30 and 335,861.40

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Solution

The fourth proportional to 559,810.20, 839,715.30 and 335,861.40 is: 503,792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,810.20 : 839,715.30 = 335,861.40 : x
  2. Step 2: Convert to fraction form
    559,810.20/839,715.30 = 335,861.40/x
  3. Step 3: Cross multiply
    559,810.20x = 839,715.30 × 335,861.40
  4. Step 4: Simplify right side
    559,810.20x = 282,027,956,259.42
  5. Step 5: Solve for x
    x = 282,027,956,259.42/559,810.20
  6. Step 6: Final answer
    x = 503,792.10

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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.