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Finding the Fourth Proportional to 340,364.55, 510,492.15 and 103,652.18

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Solution

The fourth proportional to 340,364.55, 510,492.15 and 103,652.18 is: 155,461.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,364.55 : 510,492.15 = 103,652.18 : x
  2. Step 2: Convert to fraction form
    340,364.55/510,492.15 = 103,652.18/x
  3. Step 3: Cross multiply
    340,364.55x = 510,492.15 × 103,652.18
  4. Step 4: Simplify right side
    340,364.55x = 52,913,621,667.93
  5. Step 5: Solve for x
    x = 52,913,621,667.93/340,364.55
  6. Step 6: Final answer
    x = 155,461.61

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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.