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Finding the Fourth Proportional to 307,830.70, 460,968.45 and 202,077.10

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Solution

The fourth proportional to 307,830.70, 460,968.45 and 202,077.10 is: 302,605.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,830.70 : 460,968.45 = 202,077.10 : x
  2. Step 2: Convert to fraction form
    307,830.70/460,968.45 = 202,077.10/x
  3. Step 3: Cross multiply
    307,830.70x = 460,968.45 × 202,077.10
  4. Step 4: Simplify right side
    307,830.70x = 93,151,167,567.50
  5. Step 5: Solve for x
    x = 93,151,167,567.50/307,830.70
  6. Step 6: Final answer
    x = 302,605.19

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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.