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Finding the Fourth Proportional to 382,031.70, 573,047.55 and 346,602.30

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Solution

The fourth proportional to 382,031.70, 573,047.55 and 346,602.30 is: 519,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,031.70 : 573,047.55 = 346,602.30 : x
  2. Step 2: Convert to fraction form
    382,031.70/573,047.55 = 346,602.30/x
  3. Step 3: Cross multiply
    382,031.70x = 573,047.55 × 346,602.30
  4. Step 4: Simplify right side
    382,031.70x = 198,619,598,839.37
  5. Step 5: Solve for x
    x = 198,619,598,839.37/382,031.70
  6. Step 6: Final answer
    x = 519,903.45

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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.