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Finding the Fourth Proportional to 528,295.76, 729,098.44 and 301,897.36

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Solution

The fourth proportional to 528,295.76, 729,098.44 and 301,897.36 is: 416,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,295.76 : 729,098.44 = 301,897.36 : x
  2. Step 2: Convert to fraction form
    528,295.76/729,098.44 = 301,897.36/x
  3. Step 3: Cross multiply
    528,295.76x = 729,098.44 × 301,897.36
  4. Step 4: Simplify right side
    528,295.76x = 220,112,894,216.12
  5. Step 5: Solve for x
    x = 220,112,894,216.12/528,295.76
  6. Step 6: Final answer
    x = 416,647.10

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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.