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Finding the Fourth Proportional to 562,214.40, 843,321.60 and 373,257.60

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Solution

The fourth proportional to 562,214.40, 843,321.60 and 373,257.60 is: 559,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,214.40 : 843,321.60 = 373,257.60 : x
  2. Step 2: Convert to fraction form
    562,214.40/843,321.60 = 373,257.60/x
  3. Step 3: Cross multiply
    562,214.40x = 843,321.60 × 373,257.60
  4. Step 4: Simplify right side
    562,214.40x = 314,776,196,444.16
  5. Step 5: Solve for x
    x = 314,776,196,444.16/562,214.40
  6. Step 6: Final answer
    x = 559,886.40

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Similar ratio
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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.