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Finding the Fourth Proportional to 909,968.40, 1,364,952.60 and 895,971.60

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Solution

The fourth proportional to 909,968.40, 1,364,952.60 and 895,971.60 is: 1,343,957.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,968.40 : 1,364,952.60 = 895,971.60 : x
  2. Step 2: Convert to fraction form
    909,968.40/1,364,952.60 = 895,971.60/x
  3. Step 3: Cross multiply
    909,968.40x = 1,364,952.60 × 895,971.60
  4. Step 4: Simplify right side
    909,968.40x = 1,222,958,764,946.16
  5. Step 5: Solve for x
    x = 1,222,958,764,946.16/909,968.40
  6. Step 6: Final answer
    x = 1,343,957.40

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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.