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Finding the Fourth Proportional to 804,706.10, 1,111,476.85 and 601,657.51

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Solution

The fourth proportional to 804,706.10, 1,111,476.85 and 601,657.51 is: 831,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,706.10 : 1,111,476.85 = 601,657.51 : x
  2. Step 2: Convert to fraction form
    804,706.10/1,111,476.85 = 601,657.51/x
  3. Step 3: Cross multiply
    804,706.10x = 1,111,476.85 × 601,657.51
  4. Step 4: Simplify right side
    804,706.10x = 668,728,388,436.26
  5. Step 5: Solve for x
    x = 668,728,388,436.26/804,706.10
  6. Step 6: Final answer
    x = 831,021.90

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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.