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Finding the Fourth Proportional to 800,674.67, 1,106,172.22 and 671,385.08

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Solution

The fourth proportional to 800,674.67, 1,106,172.22 and 671,385.08 is: 927,552.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,674.67 : 1,106,172.22 = 671,385.08 : x
  2. Step 2: Convert to fraction form
    800,674.67/1,106,172.22 = 671,385.08/x
  3. Step 3: Cross multiply
    800,674.67x = 1,106,172.22 × 671,385.08
  4. Step 4: Simplify right side
    800,674.67x = 742,667,525,541.45
  5. Step 5: Solve for x
    x = 742,667,525,541.45/800,674.67
  6. Step 6: Final answer
    x = 927,552.16

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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.