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Finding the Fourth Proportional to 424,955.10, 595,986.90 and 424,955.10

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Solution

The fourth proportional to 424,955.10, 595,986.90 and 424,955.10 is: 595,986.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,955.10 : 595,986.90 = 424,955.10 : x
  2. Step 2: Convert to fraction form
    424,955.10/595,986.90 = 424,955.10/x
  3. Step 3: Cross multiply
    424,955.10x = 595,986.90 × 424,955.10
  4. Step 4: Simplify right side
    424,955.10x = 253,267,672,688.19
  5. Step 5: Solve for x
    x = 253,267,672,688.19/424,955.10
  6. Step 6: Final answer
    x = 595,986.90

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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.