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Finding the Fourth Proportional to 750,882.51, 1,035,931.88 and 555,119.01

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Solution

The fourth proportional to 750,882.51, 1,035,931.88 and 555,119.01 is: 765,852.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,882.51 : 1,035,931.88 = 555,119.01 : x
  2. Step 2: Convert to fraction form
    750,882.51/1,035,931.88 = 555,119.01/x
  3. Step 3: Cross multiply
    750,882.51x = 1,035,931.88 × 555,119.01
  4. Step 4: Simplify right side
    750,882.51x = 575,065,481,040.84
  5. Step 5: Solve for x
    x = 575,065,481,040.84/750,882.51
  6. Step 6: Final answer
    x = 765,852.81

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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.