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Finding the Fourth Proportional to 783,062.40, 1,093,925.40 and 783,062.40

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Solution

The fourth proportional to 783,062.40, 1,093,925.40 and 783,062.40 is: 1,093,925.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,062.40 : 1,093,925.40 = 783,062.40 : x
  2. Step 2: Convert to fraction form
    783,062.40/1,093,925.40 = 783,062.40/x
  3. Step 3: Cross multiply
    783,062.40x = 1,093,925.40 × 783,062.40
  4. Step 4: Simplify right side
    783,062.40x = 856,611,849,144.96
  5. Step 5: Solve for x
    x = 856,611,849,144.96/783,062.40
  6. Step 6: Final answer
    x = 1,093,925.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.