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Finding the Fourth Proportional to 710,004.80, 1,065,784.80 and 444,065.60

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Solution

The fourth proportional to 710,004.80, 1,065,784.80 and 444,065.60 is: 666,584.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,004.80 : 1,065,784.80 = 444,065.60 : x
  2. Step 2: Convert to fraction form
    710,004.80/1,065,784.80 = 444,065.60/x
  3. Step 3: Cross multiply
    710,004.80x = 1,065,784.80 × 444,065.60
  4. Step 4: Simplify right side
    710,004.80x = 473,278,366,682.88
  5. Step 5: Solve for x
    x = 473,278,366,682.88/710,004.80
  6. Step 6: Final answer
    x = 666,584.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.