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Finding the Fourth Proportional to 922,880.60, 1,384,539.60 and 473,670.80

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Solution

The fourth proportional to 922,880.60, 1,384,539.60 and 473,670.80 is: 710,618.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,880.60 : 1,384,539.60 = 473,670.80 : x
  2. Step 2: Convert to fraction form
    922,880.60/1,384,539.60 = 473,670.80/x
  3. Step 3: Cross multiply
    922,880.60x = 1,384,539.60 × 473,670.80
  4. Step 4: Simplify right side
    922,880.60x = 655,815,979,963.68
  5. Step 5: Solve for x
    x = 655,815,979,963.68/922,880.60
  6. Step 6: Final answer
    x = 710,618.45

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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.