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Finding the Fourth Proportional to 704,860.81, 972,708.98 and 382,571.02

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Solution

The fourth proportional to 704,860.81, 972,708.98 and 382,571.02 is: 527,948.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,860.81 : 972,708.98 = 382,571.02 : x
  2. Step 2: Convert to fraction form
    704,860.81/972,708.98 = 382,571.02/x
  3. Step 3: Cross multiply
    704,860.81x = 972,708.98 × 382,571.02
  4. Step 4: Simplify right side
    704,860.81x = 372,130,266,641.76
  5. Step 5: Solve for x
    x = 372,130,266,641.76/704,860.81
  6. Step 6: Final answer
    x = 527,948.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.