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Finding the Fourth Proportional to 353,152.40, 529,145.40 and 300,664.40

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Solution

The fourth proportional to 353,152.40, 529,145.40 and 300,664.40 is: 450,500.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,152.40 : 529,145.40 = 300,664.40 : x
  2. Step 2: Convert to fraction form
    353,152.40/529,145.40 = 300,664.40/x
  3. Step 3: Cross multiply
    353,152.40x = 529,145.40 × 300,664.40
  4. Step 4: Simplify right side
    353,152.40x = 159,095,184,203.76
  5. Step 5: Solve for x
    x = 159,095,184,203.76/353,152.40
  6. Step 6: Final answer
    x = 450,500.08

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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.