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Finding the Fourth Proportional to 340,345.51, 510,522.36 and 103,690.24

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Solution

The fourth proportional to 340,345.51, 510,522.36 and 103,690.24 is: 155,536.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,345.51 : 510,522.36 = 103,690.24 : x
  2. Step 2: Convert to fraction form
    340,345.51/510,522.36 = 103,690.24/x
  3. Step 3: Cross multiply
    340,345.51x = 510,522.36 × 103,690.24
  4. Step 4: Simplify right side
    340,345.51x = 52,936,186,033.77
  5. Step 5: Solve for x
    x = 52,936,186,033.77/340,345.51
  6. Step 6: Final answer
    x = 155,536.61

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1.5x scale

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.