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Finding the Fourth Proportional to 607,667.70, 911,501.55 and 382,297.35

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Solution

The fourth proportional to 607,667.70, 911,501.55 and 382,297.35 is: 573,446.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,667.70 : 911,501.55 = 382,297.35 : x
  2. Step 2: Convert to fraction form
    607,667.70/911,501.55 = 382,297.35/x
  3. Step 3: Cross multiply
    607,667.70x = 911,501.55 × 382,297.35
  4. Step 4: Simplify right side
    607,667.70x = 348,464,627,085.89
  5. Step 5: Solve for x
    x = 348,464,627,085.89/607,667.70
  6. Step 6: Final answer
    x = 573,446.03

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1.5x scale

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.