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Finding the Fourth Proportional to 804,157.13, 1,109,756.16 and 436,649.90

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Solution

The fourth proportional to 804,157.13, 1,109,756.16 and 436,649.90 is: 602,587.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,157.13 : 1,109,756.16 = 436,649.90 : x
  2. Step 2: Convert to fraction form
    804,157.13/1,109,756.16 = 436,649.90/x
  3. Step 3: Cross multiply
    804,157.13x = 1,109,756.16 × 436,649.90
  4. Step 4: Simplify right side
    804,157.13x = 484,574,916,288.38
  5. Step 5: Solve for x
    x = 484,574,916,288.38/804,157.13
  6. Step 6: Final answer
    x = 602,587.35

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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.