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Finding the Fourth Proportional to 631,307.52, 946,969.92 and 352,598.40

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Solution

The fourth proportional to 631,307.52, 946,969.92 and 352,598.40 is: 528,902.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,307.52 : 946,969.92 = 352,598.40 : x
  2. Step 2: Convert to fraction form
    631,307.52/946,969.92 = 352,598.40/x
  3. Step 3: Cross multiply
    631,307.52x = 946,969.92 × 352,598.40
  4. Step 4: Simplify right side
    631,307.52x = 333,900,078,640.13
  5. Step 5: Solve for x
    x = 333,900,078,640.13/631,307.52
  6. Step 6: Final answer
    x = 528,902.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.