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Finding the Fourth Proportional to 352,425.60, 528,638.40 and 246,137.40

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Solution

The fourth proportional to 352,425.60, 528,638.40 and 246,137.40 is: 369,206.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,425.60 : 528,638.40 = 246,137.40 : x
  2. Step 2: Convert to fraction form
    352,425.60/528,638.40 = 246,137.40/x
  3. Step 3: Cross multiply
    352,425.60x = 528,638.40 × 246,137.40
  4. Step 4: Simplify right side
    352,425.60x = 130,117,681,316.16
  5. Step 5: Solve for x
    x = 130,117,681,316.16/352,425.60
  6. Step 6: Final answer
    x = 369,206.10

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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.