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Finding the Fourth Proportional to 586,363.86, 809,113.86 and 328,254.93

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Solution

The fourth proportional to 586,363.86, 809,113.86 and 328,254.93 is: 452,953.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,363.86 : 809,113.86 = 328,254.93 : x
  2. Step 2: Convert to fraction form
    586,363.86/809,113.86 = 328,254.93/x
  3. Step 3: Cross multiply
    586,363.86x = 809,113.86 × 328,254.93
  4. Step 4: Simplify right side
    586,363.86x = 265,595,613,476.33
  5. Step 5: Solve for x
    x = 265,595,613,476.33/586,363.86
  6. Step 6: Final answer
    x = 452,953.59

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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.