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Finding the Fourth Proportional to 569,900.33, 786,385.43 and 324,916.70

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Solution

The fourth proportional to 569,900.33, 786,385.43 and 324,916.70 is: 448,341.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,900.33 : 786,385.43 = 324,916.70 : x
  2. Step 2: Convert to fraction form
    569,900.33/786,385.43 = 324,916.70/x
  3. Step 3: Cross multiply
    569,900.33x = 786,385.43 × 324,916.70
  4. Step 4: Simplify right side
    569,900.33x = 255,509,758,672.99
  5. Step 5: Solve for x
    x = 255,509,758,672.99/569,900.33
  6. Step 6: Final answer
    x = 448,341.13

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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.