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Finding the Fourth Proportional to 365,815.19, 551,464.65 and 341,430.14

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Solution

The fourth proportional to 365,815.19, 551,464.65 and 341,430.14 is: 514,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,815.19 : 551,464.65 = 341,430.14 : x
  2. Step 2: Convert to fraction form
    365,815.19/551,464.65 = 341,430.14/x
  3. Step 3: Cross multiply
    365,815.19x = 551,464.65 × 341,430.14
  4. Step 4: Simplify right side
    365,815.19x = 188,286,654,033.21
  5. Step 5: Solve for x
    x = 188,286,654,033.21/365,815.19
  6. Step 6: Final answer
    x = 514,704.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.