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Finding the Fourth Proportional to 514,833.36, 710,816.04 and 321,534.96

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Solution

The fourth proportional to 514,833.36, 710,816.04 and 321,534.96 is: 443,934.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,833.36 : 710,816.04 = 321,534.96 : x
  2. Step 2: Convert to fraction form
    514,833.36/710,816.04 = 321,534.96/x
  3. Step 3: Cross multiply
    514,833.36x = 710,816.04 × 321,534.96
  4. Step 4: Simplify right side
    514,833.36x = 228,552,206,988.76
  5. Step 5: Solve for x
    x = 228,552,206,988.76/514,833.36
  6. Step 6: Final answer
    x = 443,934.34

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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.