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Finding the Fourth Proportional to 334,802.80, 502,204.20 and 306,809.20

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Solution

The fourth proportional to 334,802.80, 502,204.20 and 306,809.20 is: 460,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,802.80 : 502,204.20 = 306,809.20 : x
  2. Step 2: Convert to fraction form
    334,802.80/502,204.20 = 306,809.20/x
  3. Step 3: Cross multiply
    334,802.80x = 502,204.20 × 306,809.20
  4. Step 4: Simplify right side
    334,802.80x = 154,080,868,838.64
  5. Step 5: Solve for x
    x = 154,080,868,838.64/334,802.80
  6. Step 6: Final answer
    x = 460,213.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.