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Finding the Fourth Proportional to 597,490.65, 824,526.72 and 325,560.78

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Solution

The fourth proportional to 597,490.65, 824,526.72 and 325,560.78 is: 449,268.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,490.65 : 824,526.72 = 325,560.78 : x
  2. Step 2: Convert to fraction form
    597,490.65/824,526.72 = 325,560.78/x
  3. Step 3: Cross multiply
    597,490.65x = 824,526.72 × 325,560.78
  4. Step 4: Simplify right side
    597,490.65x = 268,433,562,094.04
  5. Step 5: Solve for x
    x = 268,433,562,094.04/597,490.65
  6. Step 6: Final answer
    x = 449,268.22

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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.