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Finding the Fourth Proportional to 343,015.51, 514,248.50 and 163,010.60

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Solution

The fourth proportional to 343,015.51, 514,248.50 and 163,010.60 is: 244,385.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,015.51 : 514,248.50 = 163,010.60 : x
  2. Step 2: Convert to fraction form
    343,015.51/514,248.50 = 163,010.60/x
  3. Step 3: Cross multiply
    343,015.51x = 514,248.50 × 163,010.60
  4. Step 4: Simplify right side
    343,015.51x = 83,827,955,719.05
  5. Step 5: Solve for x
    x = 83,827,955,719.05/343,015.51
  6. Step 6: Final answer
    x = 244,385.32

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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.