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Finding the Fourth Proportional to 528,897, 793,345.56 and 134,913

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Solution

The fourth proportional to 528,897, 793,345.56 and 134,913 is: 202,369.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,897 : 793,345.56 = 134,913 : x
  2. Step 2: Convert to fraction form
    528,897/793,345.56 = 134,913/x
  3. Step 3: Cross multiply
    528,897x = 793,345.56 × 134,913
  4. Step 4: Simplify right side
    528,897x = 107,032,629,536.28
  5. Step 5: Solve for x
    x = 107,032,629,536.28/528,897
  6. Step 6: Final answer
    x = 202,369.52

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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.