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Finding the Fourth Proportional to 350,998.80, 526,498.20 and 348,374.40

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Solution

The fourth proportional to 350,998.80, 526,498.20 and 348,374.40 is: 522,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,998.80 : 526,498.20 = 348,374.40 : x
  2. Step 2: Convert to fraction form
    350,998.80/526,498.20 = 348,374.40/x
  3. Step 3: Cross multiply
    350,998.80x = 526,498.20 × 348,374.40
  4. Step 4: Simplify right side
    350,998.80x = 183,418,494,526.08
  5. Step 5: Solve for x
    x = 183,418,494,526.08/350,998.80
  6. Step 6: Final answer
    x = 522,561.60

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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.