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Finding the Fourth Proportional to 546,795.20, 820,192.80 and 357,841.60

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Solution

The fourth proportional to 546,795.20, 820,192.80 and 357,841.60 is: 536,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,795.20 : 820,192.80 = 357,841.60 : x
  2. Step 2: Convert to fraction form
    546,795.20/820,192.80 = 357,841.60/x
  3. Step 3: Cross multiply
    546,795.20x = 820,192.80 × 357,841.60
  4. Step 4: Simplify right side
    546,795.20x = 293,499,103,860.48
  5. Step 5: Solve for x
    x = 293,499,103,860.48/546,795.20
  6. Step 6: Final answer
    x = 536,762.40

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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.