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Finding the Fourth Proportional to 884,290.80, 1,323,613.80 and 697,666.80

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Solution

The fourth proportional to 884,290.80, 1,323,613.80 and 697,666.80 is: 1,044,273.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,290.80 : 1,323,613.80 = 697,666.80 : x
  2. Step 2: Convert to fraction form
    884,290.80/1,323,613.80 = 697,666.80/x
  3. Step 3: Cross multiply
    884,290.80x = 1,323,613.80 × 697,666.80
  4. Step 4: Simplify right side
    884,290.80x = 923,441,404,281.84
  5. Step 5: Solve for x
    x = 923,441,404,281.84/884,290.80
  6. Step 6: Final answer
    x = 1,044,273.45

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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.