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Finding the Fourth Proportional to 404,389.08, 606,661.35 and 155,051.64

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Solution

The fourth proportional to 404,389.08, 606,661.35 and 155,051.64 is: 232,607.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,389.08 : 606,661.35 = 155,051.64 : x
  2. Step 2: Convert to fraction form
    404,389.08/606,661.35 = 155,051.64/x
  3. Step 3: Cross multiply
    404,389.08x = 606,661.35 × 155,051.64
  4. Step 4: Simplify right side
    404,389.08x = 94,063,837,242.11
  5. Step 5: Solve for x
    x = 94,063,837,242.11/404,389.08
  6. Step 6: Final answer
    x = 232,607.26

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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.