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Finding the Fourth Proportional to 602,070.72, 902,473.91 and 202,572.81

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Solution

The fourth proportional to 602,070.72, 902,473.91 and 202,572.81 is: 303,646.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,070.72 : 902,473.91 = 202,572.81 : x
  2. Step 2: Convert to fraction form
    602,070.72/902,473.91 = 202,572.81/x
  3. Step 3: Cross multiply
    602,070.72x = 902,473.91 × 202,572.81
  4. Step 4: Simplify right side
    602,070.72x = 182,816,674,887.52
  5. Step 5: Solve for x
    x = 182,816,674,887.52/602,070.72
  6. Step 6: Final answer
    x = 303,646.51

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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.