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Finding the Fourth Proportional to 343,010.70, 514,516.05 and 231,036.30

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Solution

The fourth proportional to 343,010.70, 514,516.05 and 231,036.30 is: 346,554.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,010.70 : 514,516.05 = 231,036.30 : x
  2. Step 2: Convert to fraction form
    343,010.70/514,516.05 = 231,036.30/x
  3. Step 3: Cross multiply
    343,010.70x = 514,516.05 × 231,036.30
  4. Step 4: Simplify right side
    343,010.70x = 118,871,884,482.62
  5. Step 5: Solve for x
    x = 118,871,884,482.62/343,010.70
  6. Step 6: Final answer
    x = 346,554.45

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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.