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Finding the Fourth Proportional to 546,056.40, 819,084.60 and 488,319.60

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Solution

The fourth proportional to 546,056.40, 819,084.60 and 488,319.60 is: 732,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,056.40 : 819,084.60 = 488,319.60 : x
  2. Step 2: Convert to fraction form
    546,056.40/819,084.60 = 488,319.60/x
  3. Step 3: Cross multiply
    546,056.40x = 819,084.60 × 488,319.60
  4. Step 4: Simplify right side
    546,056.40x = 399,975,064,238.16
  5. Step 5: Solve for x
    x = 399,975,064,238.16/546,056.40
  6. Step 6: Final answer
    x = 732,479.40

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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.