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Finding the Fourth Proportional to 983,612.80, 1,473,086.40 and 983,612.80

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Solution

The fourth proportional to 983,612.80, 1,473,086.40 and 983,612.80 is: 1,473,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,612.80 : 1,473,086.40 = 983,612.80 : x
  2. Step 2: Convert to fraction form
    983,612.80/1,473,086.40 = 983,612.80/x
  3. Step 3: Cross multiply
    983,612.80x = 1,473,086.40 × 983,612.80
  4. Step 4: Simplify right side
    983,612.80x = 1,448,946,638,545.92
  5. Step 5: Solve for x
    x = 1,448,946,638,545.92/983,612.80
  6. Step 6: Final answer
    x = 1,473,086.40

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1.5x scale

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.