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Finding the Fourth Proportional to 591,293.40, 886,940.10 and 404,669.40

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Solution

The fourth proportional to 591,293.40, 886,940.10 and 404,669.40 is: 607,004.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,293.40 : 886,940.10 = 404,669.40 : x
  2. Step 2: Convert to fraction form
    591,293.40/886,940.10 = 404,669.40/x
  3. Step 3: Cross multiply
    591,293.40x = 886,940.10 × 404,669.40
  4. Step 4: Simplify right side
    591,293.40x = 358,917,518,102.94
  5. Step 5: Solve for x
    x = 358,917,518,102.94/591,293.40
  6. Step 6: Final answer
    x = 607,004.10

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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.