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Finding the Fourth Proportional to 404,547.96, 558,486.02 and 295,529.86

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Solution

The fourth proportional to 404,547.96, 558,486.02 and 295,529.86 is: 407,984.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,547.96 : 558,486.02 = 295,529.86 : x
  2. Step 2: Convert to fraction form
    404,547.96/558,486.02 = 295,529.86/x
  3. Step 3: Cross multiply
    404,547.96x = 558,486.02 × 295,529.86
  4. Step 4: Simplify right side
    404,547.96x = 165,049,295,302.56
  5. Step 5: Solve for x
    x = 165,049,295,302.56/404,547.96
  6. Step 6: Final answer
    x = 407,984.50

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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.