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Finding the Fourth Proportional to 350,656.40, 526,762.20 and 336,486.80

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Solution

The fourth proportional to 350,656.40, 526,762.20 and 336,486.80 is: 505,476.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,656.40 : 526,762.20 = 336,486.80 : x
  2. Step 2: Convert to fraction form
    350,656.40/526,762.20 = 336,486.80/x
  3. Step 3: Cross multiply
    350,656.40x = 526,762.20 × 336,486.80
  4. Step 4: Simplify right side
    350,656.40x = 177,248,527,038.96
  5. Step 5: Solve for x
    x = 177,248,527,038.96/350,656.40
  6. Step 6: Final answer
    x = 505,476.38

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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.