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Finding the Fourth Proportional to 807,735, 1,114,682.04 and 445,172.16

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Solution

The fourth proportional to 807,735, 1,114,682.04 and 445,172.16 is: 614,341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,735 : 1,114,682.04 = 445,172.16 : x
  2. Step 2: Convert to fraction form
    807,735/1,114,682.04 = 445,172.16/x
  3. Step 3: Cross multiply
    807,735x = 1,114,682.04 × 445,172.16
  4. Step 4: Simplify right side
    807,735x = 496,225,411,460.01
  5. Step 5: Solve for x
    x = 496,225,411,460.01/807,735
  6. Step 6: Final answer
    x = 614,341.85

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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.