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Finding the Fourth Proportional to 569,849.21, 786,411.33 and 324,870.20

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Solution

The fourth proportional to 569,849.21, 786,411.33 and 324,870.20 is: 448,331.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,849.21 : 786,411.33 = 324,870.20 : x
  2. Step 2: Convert to fraction form
    569,849.21/786,411.33 = 324,870.20/x
  3. Step 3: Cross multiply
    569,849.21x = 786,411.33 × 324,870.20
  4. Step 4: Simplify right side
    569,849.21x = 255,481,602,127.31
  5. Step 5: Solve for x
    x = 255,481,602,127.31/569,849.21
  6. Step 6: Final answer
    x = 448,331.94

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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.