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Finding the Fourth Proportional to 717,963.52, 990,583.52 and 463,459.52

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Solution

The fourth proportional to 717,963.52, 990,583.52 and 463,459.52 is: 639,441.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,963.52 : 990,583.52 = 463,459.52 : x
  2. Step 2: Convert to fraction form
    717,963.52/990,583.52 = 463,459.52/x
  3. Step 3: Cross multiply
    717,963.52x = 990,583.52 × 463,459.52
  4. Step 4: Simplify right side
    717,963.52x = 459,095,362,699.11
  5. Step 5: Solve for x
    x = 459,095,362,699.11/717,963.52
  6. Step 6: Final answer
    x = 639,441.07

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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.