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Finding the Fourth Proportional to 436,903.90, 602,888.96 and 243,296.98

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Solution

The fourth proportional to 436,903.90, 602,888.96 and 243,296.98 is: 335,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,903.90 : 602,888.96 = 243,296.98 : x
  2. Step 2: Convert to fraction form
    436,903.90/602,888.96 = 243,296.98/x
  3. Step 3: Cross multiply
    436,903.90x = 602,888.96 × 243,296.98
  4. Step 4: Simplify right side
    436,903.90x = 146,681,062,344.36
  5. Step 5: Solve for x
    x = 146,681,062,344.36/436,903.90
  6. Step 6: Final answer
    x = 335,728.44

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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.