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Finding the Fourth Proportional to 346,345.20, 519,258.60 and 188,751.60

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Solution

The fourth proportional to 346,345.20, 519,258.60 and 188,751.60 is: 282,986.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,345.20 : 519,258.60 = 188,751.60 : x
  2. Step 2: Convert to fraction form
    346,345.20/519,258.60 = 188,751.60/x
  3. Step 3: Cross multiply
    346,345.20x = 519,258.60 × 188,751.60
  4. Step 4: Simplify right side
    346,345.20x = 98,010,891,563.76
  5. Step 5: Solve for x
    x = 98,010,891,563.76/346,345.20
  6. Step 6: Final answer
    x = 282,986.14

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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.