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Finding the Fourth Proportional to 359,509.84, 496,303.33 and 223,587.56

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Solution

The fourth proportional to 359,509.84, 496,303.33 and 223,587.56 is: 308,662.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,509.84 : 496,303.33 = 223,587.56 : x
  2. Step 2: Convert to fraction form
    359,509.84/496,303.33 = 223,587.56/x
  3. Step 3: Cross multiply
    359,509.84x = 496,303.33 × 223,587.56
  4. Step 4: Simplify right side
    359,509.84x = 110,967,250,574.58
  5. Step 5: Solve for x
    x = 110,967,250,574.58/359,509.84
  6. Step 6: Final answer
    x = 308,662.62

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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.