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Finding the Fourth Proportional to 405,325.04, 608,299.08 and 384,512.08

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Solution

The fourth proportional to 405,325.04, 608,299.08 and 384,512.08 is: 577,063.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,325.04 : 608,299.08 = 384,512.08 : x
  2. Step 2: Convert to fraction form
    405,325.04/608,299.08 = 384,512.08/x
  3. Step 3: Cross multiply
    405,325.04x = 608,299.08 × 384,512.08
  4. Step 4: Simplify right side
    405,325.04x = 233,898,344,512.89
  5. Step 5: Solve for x
    x = 233,898,344,512.89/405,325.04
  6. Step 6: Final answer
    x = 577,063.64

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1.5x scale

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.