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Finding the Fourth Proportional to 564,925.60, 847,388.40 and 284,989.60

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Solution

The fourth proportional to 564,925.60, 847,388.40 and 284,989.60 is: 427,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,925.60 : 847,388.40 = 284,989.60 : x
  2. Step 2: Convert to fraction form
    564,925.60/847,388.40 = 284,989.60/x
  3. Step 3: Cross multiply
    564,925.60x = 847,388.40 × 284,989.60
  4. Step 4: Simplify right side
    564,925.60x = 241,496,881,160.64
  5. Step 5: Solve for x
    x = 241,496,881,160.64/564,925.60
  6. Step 6: Final answer
    x = 427,484.40

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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.