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Finding the Fourth Proportional to 346,062.80, 519,094.20 and 135,707.60

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Solution

The fourth proportional to 346,062.80, 519,094.20 and 135,707.60 is: 203,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,062.80 : 519,094.20 = 135,707.60 : x
  2. Step 2: Convert to fraction form
    346,062.80/519,094.20 = 135,707.60/x
  3. Step 3: Cross multiply
    346,062.80x = 519,094.20 × 135,707.60
  4. Step 4: Simplify right side
    346,062.80x = 70,445,028,055.92
  5. Step 5: Solve for x
    x = 70,445,028,055.92/346,062.80
  6. Step 6: Final answer
    x = 203,561.40

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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.