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Finding the Fourth Proportional to 501,675.19, 692,311.76 and 300,471.19

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Solution

The fourth proportional to 501,675.19, 692,311.76 and 300,471.19 is: 414,650.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,675.19 : 692,311.76 = 300,471.19 : x
  2. Step 2: Convert to fraction form
    501,675.19/692,311.76 = 300,471.19/x
  3. Step 3: Cross multiply
    501,675.19x = 692,311.76 × 300,471.19
  4. Step 4: Simplify right side
    501,675.19x = 208,019,736,271.83
  5. Step 5: Solve for x
    x = 208,019,736,271.83/501,675.19
  6. Step 6: Final answer
    x = 414,650.24

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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.