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Finding the Fourth Proportional to 934,987.80, 1,402,481.70 and 934,987.80

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Solution

The fourth proportional to 934,987.80, 1,402,481.70 and 934,987.80 is: 1,402,481.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,987.80 : 1,402,481.70 = 934,987.80 : x
  2. Step 2: Convert to fraction form
    934,987.80/1,402,481.70 = 934,987.80/x
  3. Step 3: Cross multiply
    934,987.80x = 1,402,481.70 × 934,987.80
  4. Step 4: Simplify right side
    934,987.80x = 1,311,303,279,223.26
  5. Step 5: Solve for x
    x = 1,311,303,279,223.26/934,987.80
  6. Step 6: Final answer
    x = 1,402,481.70

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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.