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Finding the Fourth Proportional to 591,603.80, 887,089.95 and 307,007.80

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Solution

The fourth proportional to 591,603.80, 887,089.95 and 307,007.80 is: 460,347.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,603.80 : 887,089.95 = 307,007.80 : x
  2. Step 2: Convert to fraction form
    591,603.80/887,089.95 = 307,007.80/x
  3. Step 3: Cross multiply
    591,603.80x = 887,089.95 × 307,007.80
  4. Step 4: Simplify right side
    591,603.80x = 272,343,531,733.89
  5. Step 5: Solve for x
    x = 272,343,531,733.89/591,603.80
  6. Step 6: Final answer
    x = 460,347.84

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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.