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Finding the Fourth Proportional to 493,075.56, 740,075.58 and 256,585.80

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Solution

The fourth proportional to 493,075.56, 740,075.58 and 256,585.80 is: 385,119.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,075.56 : 740,075.58 = 256,585.80 : x
  2. Step 2: Convert to fraction form
    493,075.56/740,075.58 = 256,585.80/x
  3. Step 3: Cross multiply
    493,075.56x = 740,075.58 × 256,585.80
  4. Step 4: Simplify right side
    493,075.56x = 189,892,884,754.76
  5. Step 5: Solve for x
    x = 189,892,884,754.76/493,075.56
  6. Step 6: Final answer
    x = 385,119.24

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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.