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Finding the Fourth Proportional to 522,056.40, 783,084.60 and 364,592.40

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Solution

The fourth proportional to 522,056.40, 783,084.60 and 364,592.40 is: 546,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,056.40 : 783,084.60 = 364,592.40 : x
  2. Step 2: Convert to fraction form
    522,056.40/783,084.60 = 364,592.40/x
  3. Step 3: Cross multiply
    522,056.40x = 783,084.60 × 364,592.40
  4. Step 4: Simplify right side
    522,056.40x = 285,506,693,717.04
  5. Step 5: Solve for x
    x = 285,506,693,717.04/522,056.40
  6. Step 6: Final answer
    x = 546,888.60

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Double scale
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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.