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Finding the Fourth Proportional to 328,441.65, 453,262.92 and 207,538.82

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Solution

The fourth proportional to 328,441.65, 453,262.92 and 207,538.82 is: 286,412.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,441.65 : 453,262.92 = 207,538.82 : x
  2. Step 2: Convert to fraction form
    328,441.65/453,262.92 = 207,538.82/x
  3. Step 3: Cross multiply
    328,441.65x = 453,262.92 × 207,538.82
  4. Step 4: Simplify right side
    328,441.65x = 94,069,651,566.55
  5. Step 5: Solve for x
    x = 94,069,651,566.55/328,441.65
  6. Step 6: Final answer
    x = 286,412.07

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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.