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Finding the Fourth Proportional to 585,671.52, 807,623.28 and 501,068.64

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Solution

The fourth proportional to 585,671.52, 807,623.28 and 501,068.64 is: 690,958.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,671.52 : 807,623.28 = 501,068.64 : x
  2. Step 2: Convert to fraction form
    585,671.52/807,623.28 = 501,068.64/x
  3. Step 3: Cross multiply
    585,671.52x = 807,623.28 × 501,068.64
  4. Step 4: Simplify right side
    585,671.52x = 404,674,698,541.94
  5. Step 5: Solve for x
    x = 404,674,698,541.94/585,671.52
  6. Step 6: Final answer
    x = 690,958.47

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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.