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Finding the Fourth Proportional to 659,445.34, 910,050.85 and 369,054.63

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Solution

The fourth proportional to 659,445.34, 910,050.85 and 369,054.63 is: 509,304.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,445.34 : 910,050.85 = 369,054.63 : x
  2. Step 2: Convert to fraction form
    659,445.34/910,050.85 = 369,054.63/x
  3. Step 3: Cross multiply
    659,445.34x = 910,050.85 × 369,054.63
  4. Step 4: Simplify right side
    659,445.34x = 335,858,477,569.28
  5. Step 5: Solve for x
    x = 335,858,477,569.28/659,445.34
  6. Step 6: Final answer
    x = 509,304.50

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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.