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Finding the Fourth Proportional to 429,890.84, 592,224.03 and 300,587.38

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Solution

The fourth proportional to 429,890.84, 592,224.03 and 300,587.38 is: 414,093.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,890.84 : 592,224.03 = 300,587.38 : x
  2. Step 2: Convert to fraction form
    429,890.84/592,224.03 = 300,587.38/x
  3. Step 3: Cross multiply
    429,890.84x = 592,224.03 × 300,587.38
  4. Step 4: Simplify right side
    429,890.84x = 178,015,070,581.21
  5. Step 5: Solve for x
    x = 178,015,070,581.21/429,890.84
  6. Step 6: Final answer
    x = 414,093.65

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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.