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Finding the Fourth Proportional to 623,286.65, 933,978.62 and 370,068.50

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Solution

The fourth proportional to 623,286.65, 933,978.62 and 370,068.50 is: 554,537.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,286.65 : 933,978.62 = 370,068.50 : x
  2. Step 2: Convert to fraction form
    623,286.65/933,978.62 = 370,068.50/x
  3. Step 3: Cross multiply
    623,286.65x = 933,978.62 × 370,068.50
  4. Step 4: Simplify right side
    623,286.65x = 345,636,066,935.47
  5. Step 5: Solve for x
    x = 345,636,066,935.47/623,286.65
  6. Step 6: Final answer
    x = 554,537.90

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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.