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Finding the Fourth Proportional to 233,420.40, 349,547.40 and 186,764.40

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Solution

The fourth proportional to 233,420.40, 349,547.40 and 186,764.40 is: 279,679.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,420.40 : 349,547.40 = 186,764.40 : x
  2. Step 2: Convert to fraction form
    233,420.40/349,547.40 = 186,764.40/x
  3. Step 3: Cross multiply
    233,420.40x = 349,547.40 × 186,764.40
  4. Step 4: Simplify right side
    233,420.40x = 65,283,010,432.56
  5. Step 5: Solve for x
    x = 65,283,010,432.56/233,420.40
  6. Step 6: Final answer
    x = 279,679.97

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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.