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Finding the Fourth Proportional to 343,775.07, 474,402.45 and 190,804.29

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Solution

The fourth proportional to 343,775.07, 474,402.45 and 190,804.29 is: 263,305.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,775.07 : 474,402.45 = 190,804.29 : x
  2. Step 2: Convert to fraction form
    343,775.07/474,402.45 = 190,804.29/x
  3. Step 3: Cross multiply
    343,775.07x = 474,402.45 × 190,804.29
  4. Step 4: Simplify right side
    343,775.07x = 90,518,022,646.51
  5. Step 5: Solve for x
    x = 90,518,022,646.51/343,775.07
  6. Step 6: Final answer
    x = 263,305.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.