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Finding the Fourth Proportional to 356,006.10, 534,009.15 and 223,295.70

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Solution

The fourth proportional to 356,006.10, 534,009.15 and 223,295.70 is: 334,943.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,006.10 : 534,009.15 = 223,295.70 : x
  2. Step 2: Convert to fraction form
    356,006.10/534,009.15 = 223,295.70/x
  3. Step 3: Cross multiply
    356,006.10x = 534,009.15 × 223,295.70
  4. Step 4: Simplify right side
    356,006.10x = 119,241,946,955.66
  5. Step 5: Solve for x
    x = 119,241,946,955.66/356,006.10
  6. Step 6: Final answer
    x = 334,943.55

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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.