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Finding the Fourth Proportional to 607,081.81, 836,994.08 and 497,783.45

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Solution

The fourth proportional to 607,081.81, 836,994.08 and 497,783.45 is: 686,302.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,081.81 : 836,994.08 = 497,783.45 : x
  2. Step 2: Convert to fraction form
    607,081.81/836,994.08 = 497,783.45/x
  3. Step 3: Cross multiply
    607,081.81x = 836,994.08 × 497,783.45
  4. Step 4: Simplify right side
    607,081.81x = 416,641,800,771.98
  5. Step 5: Solve for x
    x = 416,641,800,771.98/607,081.81
  6. Step 6: Final answer
    x = 686,302.56

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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.