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Finding the Fourth Proportional to 436,011.84, 601,860.76 and 254,782.68

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Solution

The fourth proportional to 436,011.84, 601,860.76 and 254,782.68 is: 351,696.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,011.84 : 601,860.76 = 254,782.68 : x
  2. Step 2: Convert to fraction form
    436,011.84/601,860.76 = 254,782.68/x
  3. Step 3: Cross multiply
    436,011.84x = 601,860.76 × 254,782.68
  4. Step 4: Simplify right side
    436,011.84x = 153,343,697,419.64
  5. Step 5: Solve for x
    x = 153,343,697,419.64/436,011.84
  6. Step 6: Final answer
    x = 351,696.18

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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.