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Finding the Fourth Proportional to 453,705.32, 626,149.50 and 262,722.08

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Solution

The fourth proportional to 453,705.32, 626,149.50 and 262,722.08 is: 362,577.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,705.32 : 626,149.50 = 262,722.08 : x
  2. Step 2: Convert to fraction form
    453,705.32/626,149.50 = 262,722.08/x
  3. Step 3: Cross multiply
    453,705.32x = 626,149.50 × 262,722.08
  4. Step 4: Simplify right side
    453,705.32x = 164,503,299,030.96
  5. Step 5: Solve for x
    x = 164,503,299,030.96/453,705.32
  6. Step 6: Final answer
    x = 362,577.41

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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.