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Finding the Fourth Proportional to 529,283.12, 730,526.19 and 325,509.35

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Solution

The fourth proportional to 529,283.12, 730,526.19 and 325,509.35 is: 449,273.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,283.12 : 730,526.19 = 325,509.35 : x
  2. Step 2: Convert to fraction form
    529,283.12/730,526.19 = 325,509.35/x
  3. Step 3: Cross multiply
    529,283.12x = 730,526.19 × 325,509.35
  4. Step 4: Simplify right side
    529,283.12x = 237,793,105,264.88
  5. Step 5: Solve for x
    x = 237,793,105,264.88/529,283.12
  6. Step 6: Final answer
    x = 449,273.93

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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.