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Finding the Fourth Proportional to 602,072.48, 902,476.53 and 202,574.56

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Solution

The fourth proportional to 602,072.48, 902,476.53 and 202,574.56 is: 303,649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,072.48 : 902,476.53 = 202,574.56 : x
  2. Step 2: Convert to fraction form
    602,072.48/902,476.53 = 202,574.56/x
  3. Step 3: Cross multiply
    602,072.48x = 902,476.53 × 202,574.56
  4. Step 4: Simplify right side
    602,072.48x = 182,818,785,975.08
  5. Step 5: Solve for x
    x = 182,818,785,975.08/602,072.48
  6. Step 6: Final answer
    x = 303,649.13

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1.5x scale

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.