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Finding the Fourth Proportional to 412,346.99, 569,075.07 and 240,256.01

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Solution

The fourth proportional to 412,346.99, 569,075.07 and 240,256.01 is: 331,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,346.99 : 569,075.07 = 240,256.01 : x
  2. Step 2: Convert to fraction form
    412,346.99/569,075.07 = 240,256.01/x
  3. Step 3: Cross multiply
    412,346.99x = 569,075.07 × 240,256.01
  4. Step 4: Simplify right side
    412,346.99x = 136,723,705,708.67
  5. Step 5: Solve for x
    x = 136,723,705,708.67/412,346.99
  6. Step 6: Final answer
    x = 331,574.40

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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.