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Finding the Fourth Proportional to 586,375.86, 809,130.42 and 328,266.94

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Solution

The fourth proportional to 586,375.86, 809,130.42 and 328,266.94 is: 452,970.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,375.86 : 809,130.42 = 328,266.94 : x
  2. Step 2: Convert to fraction form
    586,375.86/809,130.42 = 328,266.94/x
  3. Step 3: Cross multiply
    586,375.86x = 809,130.42 × 328,266.94
  4. Step 4: Simplify right side
    586,375.86x = 265,610,767,034.32
  5. Step 5: Solve for x
    x = 265,610,767,034.32/586,375.86
  6. Step 6: Final answer
    x = 452,970.16

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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.