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Finding the Fourth Proportional to 529,443.66, 730,619.82 and 296,855.10

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Solution

The fourth proportional to 529,443.66, 730,619.82 and 296,855.10 is: 409,653.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,443.66 : 730,619.82 = 296,855.10 : x
  2. Step 2: Convert to fraction form
    529,443.66/730,619.82 = 296,855.10/x
  3. Step 3: Cross multiply
    529,443.66x = 730,619.82 × 296,855.10
  4. Step 4: Simplify right side
    529,443.66x = 216,888,219,728.08
  5. Step 5: Solve for x
    x = 216,888,219,728.08/529,443.66
  6. Step 6: Final answer
    x = 409,653.07

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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.