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Finding the Fourth Proportional to 808,531.80, 1,133,603.40 and 808,531.80

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Solution

The fourth proportional to 808,531.80, 1,133,603.40 and 808,531.80 is: 1,133,603.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,531.80 : 1,133,603.40 = 808,531.80 : x
  2. Step 2: Convert to fraction form
    808,531.80/1,133,603.40 = 808,531.80/x
  3. Step 3: Cross multiply
    808,531.80x = 1,133,603.40 × 808,531.80
  4. Step 4: Simplify right side
    808,531.80x = 916,554,397,488.12
  5. Step 5: Solve for x
    x = 916,554,397,488.12/808,531.80
  6. Step 6: Final answer
    x = 1,133,603.40

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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.