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Finding the Fourth Proportional to 365,815.94, 551,465.79 and 341,430.89

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Solution

The fourth proportional to 365,815.94, 551,465.79 and 341,430.89 is: 514,705.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,815.94 : 551,465.79 = 341,430.89 : x
  2. Step 2: Convert to fraction form
    365,815.94/551,465.79 = 341,430.89/x
  3. Step 3: Cross multiply
    365,815.94x = 551,465.79 × 341,430.89
  4. Step 4: Simplify right side
    365,815.94x = 188,287,455,484.25
  5. Step 5: Solve for x
    x = 188,287,455,484.25/365,815.94
  6. Step 6: Final answer
    x = 514,705.44

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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.