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Finding the Fourth Proportional to 405,326.04, 608,300.58 and 384,513.08

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Solution

The fourth proportional to 405,326.04, 608,300.58 and 384,513.08 is: 577,065.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,326.04 : 608,300.58 = 384,513.08 : x
  2. Step 2: Convert to fraction form
    405,326.04/608,300.58 = 384,513.08/x
  3. Step 3: Cross multiply
    405,326.04x = 608,300.58 × 384,513.08
  4. Step 4: Simplify right side
    405,326.04x = 233,899,529,581.59
  5. Step 5: Solve for x
    x = 233,899,529,581.59/405,326.04
  6. Step 6: Final answer
    x = 577,065.14

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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.