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Finding the Fourth Proportional to 590,021.40, 814,019.58 and 348,182.94

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Solution

The fourth proportional to 590,021.40, 814,019.58 and 348,182.94 is: 480,368.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,021.40 : 814,019.58 = 348,182.94 : x
  2. Step 2: Convert to fraction form
    590,021.40/814,019.58 = 348,182.94/x
  3. Step 3: Cross multiply
    590,021.40x = 814,019.58 × 348,182.94
  4. Step 4: Simplify right side
    590,021.40x = 283,427,730,581.97
  5. Step 5: Solve for x
    x = 283,427,730,581.97/590,021.40
  6. Step 6: Final answer
    x = 480,368.56

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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.