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Finding the Fourth Proportional to 348,176.40, 522,264.60 and 98,858.40

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Solution

The fourth proportional to 348,176.40, 522,264.60 and 98,858.40 is: 148,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,176.40 : 522,264.60 = 98,858.40 : x
  2. Step 2: Convert to fraction form
    348,176.40/522,264.60 = 98,858.40/x
  3. Step 3: Cross multiply
    348,176.40x = 522,264.60 × 98,858.40
  4. Step 4: Simplify right side
    348,176.40x = 51,630,242,732.64
  5. Step 5: Solve for x
    x = 51,630,242,732.64/348,176.40
  6. Step 6: Final answer
    x = 148,287.60

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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.