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Finding the Fourth Proportional to 232,458.30, 348,746.85 and 74,688.30

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Solution

The fourth proportional to 232,458.30, 348,746.85 and 74,688.30 is: 112,051.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,458.30 : 348,746.85 = 74,688.30 : x
  2. Step 2: Convert to fraction form
    232,458.30/348,746.85 = 74,688.30/x
  3. Step 3: Cross multiply
    232,458.30x = 348,746.85 × 74,688.30
  4. Step 4: Simplify right side
    232,458.30x = 26,047,309,356.86
  5. Step 5: Solve for x
    x = 26,047,309,356.86/232,458.30
  6. Step 6: Final answer
    x = 112,051.54

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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.