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Finding the Fourth Proportional to 407,795.80, 572,095.10 and 407,795.80

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Solution

The fourth proportional to 407,795.80, 572,095.10 and 407,795.80 is: 572,095.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,795.80 : 572,095.10 = 407,795.80 : x
  2. Step 2: Convert to fraction form
    407,795.80/572,095.10 = 407,795.80/x
  3. Step 3: Cross multiply
    407,795.80x = 572,095.10 × 407,795.80
  4. Step 4: Simplify right side
    407,795.80x = 233,297,978,980.58
  5. Step 5: Solve for x
    x = 233,297,978,980.58/407,795.80
  6. Step 6: Final answer
    x = 572,095.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.