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Finding the Fourth Proportional to 893,359.01, 1,232,911.01 and 491,034.53

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Solution

The fourth proportional to 893,359.01, 1,232,911.01 and 491,034.53 is: 677,669.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,359.01 : 1,232,911.01 = 491,034.53 : x
  2. Step 2: Convert to fraction form
    893,359.01/1,232,911.01 = 491,034.53/x
  3. Step 3: Cross multiply
    893,359.01x = 1,232,911.01 × 491,034.53
  4. Step 4: Simplify right side
    893,359.01x = 605,401,878,327.18
  5. Step 5: Solve for x
    x = 605,401,878,327.18/893,359.01
  6. Step 6: Final answer
    x = 677,669.19

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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.