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Finding the Fourth Proportional to 707,093.01, 975,810.29 and 401,182.20

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Solution

The fourth proportional to 707,093.01, 975,810.29 and 401,182.20 is: 553,643.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,093.01 : 975,810.29 = 401,182.20 : x
  2. Step 2: Convert to fraction form
    707,093.01/975,810.29 = 401,182.20/x
  3. Step 3: Cross multiply
    707,093.01x = 975,810.29 × 401,182.20
  4. Step 4: Simplify right side
    707,093.01x = 391,477,716,918.93
  5. Step 5: Solve for x
    x = 391,477,716,918.93/707,093.01
  6. Step 6: Final answer
    x = 553,643.88

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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.