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Finding the Fourth Proportional to 560,768.07, 773,859.60 and 306,119.19

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Solution

The fourth proportional to 560,768.07, 773,859.60 and 306,119.19 is: 422,444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,768.07 : 773,859.60 = 306,119.19 : x
  2. Step 2: Convert to fraction form
    560,768.07/773,859.60 = 306,119.19/x
  3. Step 3: Cross multiply
    560,768.07x = 773,859.60 × 306,119.19
  4. Step 4: Simplify right side
    560,768.07x = 236,893,273,925.72
  5. Step 5: Solve for x
    x = 236,893,273,925.72/560,768.07
  6. Step 6: Final answer
    x = 422,444.30

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Double scale
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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.