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Finding the Fourth Proportional to 235,298.16, 324,547.24 and 154,699.92

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Solution

The fourth proportional to 235,298.16, 324,547.24 and 154,699.92 is: 213,377.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,298.16 : 324,547.24 = 154,699.92 : x
  2. Step 2: Convert to fraction form
    235,298.16/324,547.24 = 154,699.92/x
  3. Step 3: Cross multiply
    235,298.16x = 324,547.24 × 154,699.92
  4. Step 4: Simplify right side
    235,298.16x = 50,207,432,064.22
  5. Step 5: Solve for x
    x = 50,207,432,064.22/235,298.16
  6. Step 6: Final answer
    x = 213,377.92

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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.