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Finding the Fourth Proportional to 967,497.28, 1,334,681.76 and 833,128

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Solution

The fourth proportional to 967,497.28, 1,334,681.76 and 833,128 is: 1,149,316.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,497.28 : 1,334,681.76 = 833,128 : x
  2. Step 2: Convert to fraction form
    967,497.28/1,334,681.76 = 833,128/x
  3. Step 3: Cross multiply
    967,497.28x = 1,334,681.76 × 833,128
  4. Step 4: Simplify right side
    967,497.28x = 1,111,960,745,345.28
  5. Step 5: Solve for x
    x = 1,111,960,745,345.28/967,497.28
  6. Step 6: Final answer
    x = 1,149,316.66

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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.