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Finding the Fourth Proportional to 543,782.83, 750,117.95 and 505,295.01

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Solution

The fourth proportional to 543,782.83, 750,117.95 and 505,295.01 is: 697,026.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,782.83 : 750,117.95 = 505,295.01 : x
  2. Step 2: Convert to fraction form
    543,782.83/750,117.95 = 505,295.01/x
  3. Step 3: Cross multiply
    543,782.83x = 750,117.95 × 505,295.01
  4. Step 4: Simplify right side
    543,782.83x = 379,030,850,769.37
  5. Step 5: Solve for x
    x = 379,030,850,769.37/543,782.83
  6. Step 6: Final answer
    x = 697,026.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.