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Finding the Fourth Proportional to 590,813.19, 815,324.54 and 336,158.91

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Solution

The fourth proportional to 590,813.19, 815,324.54 and 336,158.91 is: 463,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,813.19 : 815,324.54 = 336,158.91 : x
  2. Step 2: Convert to fraction form
    590,813.19/815,324.54 = 336,158.91/x
  3. Step 3: Cross multiply
    590,813.19x = 815,324.54 × 336,158.91
  4. Step 4: Simplify right side
    590,813.19x = 274,078,606,981.86
  5. Step 5: Solve for x
    x = 274,078,606,981.86/590,813.19
  6. Step 6: Final answer
    x = 463,900.62

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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.