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Finding the Fourth Proportional to 304,400.88, 420,075.45 and 183,518.10

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Solution

The fourth proportional to 304,400.88, 420,075.45 and 183,518.10 is: 253,256.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,400.88 : 420,075.45 = 183,518.10 : x
  2. Step 2: Convert to fraction form
    304,400.88/420,075.45 = 183,518.10/x
  3. Step 3: Cross multiply
    304,400.88x = 420,075.45 × 183,518.10
  4. Step 4: Simplify right side
    304,400.88x = 77,091,448,440.65
  5. Step 5: Solve for x
    x = 77,091,448,440.65/304,400.88
  6. Step 6: Final answer
    x = 253,256.33

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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.