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Finding the Fourth Proportional to 584,864.64, 807,068.16 and 330,240.96

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Solution

The fourth proportional to 584,864.64, 807,068.16 and 330,240.96 is: 455,707.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,864.64 : 807,068.16 = 330,240.96 : x
  2. Step 2: Convert to fraction form
    584,864.64/807,068.16 = 330,240.96/x
  3. Step 3: Cross multiply
    584,864.64x = 807,068.16 × 330,240.96
  4. Step 4: Simplify right side
    584,864.64x = 266,526,963,943.83
  5. Step 5: Solve for x
    x = 266,526,963,943.83/584,864.64
  6. Step 6: Final answer
    x = 455,707.09

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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.