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Finding the Fourth Proportional to 606,304.86, 908,649.06 and 286,541.54

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Solution

The fourth proportional to 606,304.86, 908,649.06 and 286,541.54 is: 429,430.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,304.86 : 908,649.06 = 286,541.54 : x
  2. Step 2: Convert to fraction form
    606,304.86/908,649.06 = 286,541.54/x
  3. Step 3: Cross multiply
    606,304.86x = 908,649.06 × 286,541.54
  4. Step 4: Simplify right side
    606,304.86x = 260,365,699,901.52
  5. Step 5: Solve for x
    x = 260,365,699,901.52/606,304.86
  6. Step 6: Final answer
    x = 429,430.34

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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.