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Finding the Fourth Proportional to 364,589.01, 503,057.70 and 209,510.31

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Solution

The fourth proportional to 364,589.01, 503,057.70 and 209,510.31 is: 289,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,589.01 : 503,057.70 = 209,510.31 : x
  2. Step 2: Convert to fraction form
    364,589.01/503,057.70 = 209,510.31/x
  3. Step 3: Cross multiply
    364,589.01x = 503,057.70 × 209,510.31
  4. Step 4: Simplify right side
    364,589.01x = 105,395,774,674.89
  5. Step 5: Solve for x
    x = 105,395,774,674.89/364,589.01
  6. Step 6: Final answer
    x = 289,081.05

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1.5x scale

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.