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Finding the Fourth Proportional to 590,005.56, 813,969.88 and 341,484

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Solution

The fourth proportional to 590,005.56, 813,969.88 and 341,484 is: 471,110.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,005.56 : 813,969.88 = 341,484 : x
  2. Step 2: Convert to fraction form
    590,005.56/813,969.88 = 341,484/x
  3. Step 3: Cross multiply
    590,005.56x = 813,969.88 × 341,484
  4. Step 4: Simplify right side
    590,005.56x = 277,957,690,501.92
  5. Step 5: Solve for x
    x = 277,957,690,501.92/590,005.56
  6. Step 6: Final answer
    x = 471,110.29

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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.