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Finding the Fourth Proportional to 537,075.44, 741,106.68 and 310,678.64

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Solution

The fourth proportional to 537,075.44, 741,106.68 and 310,678.64 is: 428,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,075.44 : 741,106.68 = 310,678.64 : x
  2. Step 2: Convert to fraction form
    537,075.44/741,106.68 = 310,678.64/x
  3. Step 3: Cross multiply
    537,075.44x = 741,106.68 × 310,678.64
  4. Step 4: Simplify right side
    537,075.44x = 230,246,015,437.32
  5. Step 5: Solve for x
    x = 230,246,015,437.32/537,075.44
  6. Step 6: Final answer
    x = 428,703.30

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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.