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Finding the Fourth Proportional to 566,706.96, 782,088.36 and 324,987.60

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Solution

The fourth proportional to 566,706.96, 782,088.36 and 324,987.60 is: 448,501.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,706.96 : 782,088.36 = 324,987.60 : x
  2. Step 2: Convert to fraction form
    566,706.96/782,088.36 = 324,987.60/x
  3. Step 3: Cross multiply
    566,706.96x = 782,088.36 × 324,987.60
  4. Step 4: Simplify right side
    566,706.96x = 254,169,019,104.34
  5. Step 5: Solve for x
    x = 254,169,019,104.34/566,706.96
  6. Step 6: Final answer
    x = 448,501.67

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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.