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Finding the Fourth Proportional to 230,973.60, 346,460.40 and 191,607.60

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Solution

The fourth proportional to 230,973.60, 346,460.40 and 191,607.60 is: 287,411.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,973.60 : 346,460.40 = 191,607.60 : x
  2. Step 2: Convert to fraction form
    230,973.60/346,460.40 = 191,607.60/x
  3. Step 3: Cross multiply
    230,973.60x = 346,460.40 × 191,607.60
  4. Step 4: Simplify right side
    230,973.60x = 66,384,445,739.04
  5. Step 5: Solve for x
    x = 66,384,445,739.04/230,973.60
  6. Step 6: Final answer
    x = 287,411.40

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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.