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Finding the Fourth Proportional to 574,707.40, 792,878.10 and 348,270.28

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Solution

The fourth proportional to 574,707.40, 792,878.10 and 348,270.28 is: 480,480.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,707.40 : 792,878.10 = 348,270.28 : x
  2. Step 2: Convert to fraction form
    574,707.40/792,878.10 = 348,270.28/x
  3. Step 3: Cross multiply
    574,707.40x = 792,878.10 × 348,270.28
  4. Step 4: Simplify right side
    574,707.40x = 276,135,877,892.87
  5. Step 5: Solve for x
    x = 276,135,877,892.87/574,707.40
  6. Step 6: Final answer
    x = 480,480.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.