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Finding the Fourth Proportional to 529,464, 730,643.84 and 303,094.40

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Solution

The fourth proportional to 529,464, 730,643.84 and 303,094.40 is: 418,260.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,464 : 730,643.84 = 303,094.40 : x
  2. Step 2: Convert to fraction form
    529,464/730,643.84 = 303,094.40/x
  3. Step 3: Cross multiply
    529,464x = 730,643.84 × 303,094.40
  4. Step 4: Simplify right side
    529,464x = 221,454,056,298.50
  5. Step 5: Solve for x
    x = 221,454,056,298.50/529,464
  6. Step 6: Final answer
    x = 418,260.84

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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.