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Finding the Fourth Proportional to 313,841.52, 433,068.93 and 186,492.51

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Solution

The fourth proportional to 313,841.52, 433,068.93 and 186,492.51 is: 257,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,841.52 : 433,068.93 = 186,492.51 : x
  2. Step 2: Convert to fraction form
    313,841.52/433,068.93 = 186,492.51/x
  3. Step 3: Cross multiply
    313,841.52x = 433,068.93 × 186,492.51
  4. Step 4: Simplify right side
    313,841.52x = 80,764,111,758.71
  5. Step 5: Solve for x
    x = 80,764,111,758.71/313,841.52
  6. Step 6: Final answer
    x = 257,340.43

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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.