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Finding the Fourth Proportional to 348,001.60, 522,002.40 and 98,683.60

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Solution

The fourth proportional to 348,001.60, 522,002.40 and 98,683.60 is: 148,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,001.60 : 522,002.40 = 98,683.60 : x
  2. Step 2: Convert to fraction form
    348,001.60/522,002.40 = 98,683.60/x
  3. Step 3: Cross multiply
    348,001.60x = 522,002.40 × 98,683.60
  4. Step 4: Simplify right side
    348,001.60x = 51,513,076,040.64
  5. Step 5: Solve for x
    x = 51,513,076,040.64/348,001.60
  6. Step 6: Final answer
    x = 148,025.40

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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.