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Finding the Fourth Proportional to 895,886.01, 1,236,322.44 and 493,478.01

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Solution

The fourth proportional to 895,886.01, 1,236,322.44 and 493,478.01 is: 680,999.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,886.01 : 1,236,322.44 = 493,478.01 : x
  2. Step 2: Convert to fraction form
    895,886.01/1,236,322.44 = 493,478.01/x
  3. Step 3: Cross multiply
    895,886.01x = 1,236,322.44 × 493,478.01
  4. Step 4: Simplify right side
    895,886.01x = 610,097,937,409.54
  5. Step 5: Solve for x
    x = 610,097,937,409.54/895,886.01
  6. Step 6: Final answer
    x = 680,999.51

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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.