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Finding the Fourth Proportional to 303,501.30, 424,114.50 and 303,501.30

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Solution

The fourth proportional to 303,501.30, 424,114.50 and 303,501.30 is: 424,114.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,501.30 : 424,114.50 = 303,501.30 : x
  2. Step 2: Convert to fraction form
    303,501.30/424,114.50 = 303,501.30/x
  3. Step 3: Cross multiply
    303,501.30x = 424,114.50 × 303,501.30
  4. Step 4: Simplify right side
    303,501.30x = 128,719,302,098.85
  5. Step 5: Solve for x
    x = 128,719,302,098.85/303,501.30
  6. Step 6: Final answer
    x = 424,114.50

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1.5x scale

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.