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Finding the Fourth Proportional to 350,703.45, 526,133.13 and 163,612.89

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Solution

The fourth proportional to 350,703.45, 526,133.13 and 163,612.89 is: 245,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,703.45 : 526,133.13 = 163,612.89 : x
  2. Step 2: Convert to fraction form
    350,703.45/526,133.13 = 163,612.89/x
  3. Step 3: Cross multiply
    350,703.45x = 526,133.13 × 163,612.89
  4. Step 4: Simplify right side
    350,703.45x = 86,082,161,924.05
  5. Step 5: Solve for x
    x = 86,082,161,924.05/350,703.45
  6. Step 6: Final answer
    x = 245,455.70

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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.