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Finding the Fourth Proportional to 460,126.89, 634,810.71 and 266,428.89

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Solution

The fourth proportional to 460,126.89, 634,810.71 and 266,428.89 is: 367,576.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,126.89 : 634,810.71 = 266,428.89 : x
  2. Step 2: Convert to fraction form
    460,126.89/634,810.71 = 266,428.89/x
  3. Step 3: Cross multiply
    460,126.89x = 634,810.71 × 266,428.89
  4. Step 4: Simplify right side
    460,126.89x = 169,131,912,825.41
  5. Step 5: Solve for x
    x = 169,131,912,825.41/460,126.89
  6. Step 6: Final answer
    x = 367,576.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.