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Finding the Fourth Proportional to 473,363.60, 652,871.40 and 303,613.20

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Solution

The fourth proportional to 473,363.60, 652,871.40 and 303,613.20 is: 418,748.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,363.60 : 652,871.40 = 303,613.20 : x
  2. Step 2: Convert to fraction form
    473,363.60/652,871.40 = 303,613.20/x
  3. Step 3: Cross multiply
    473,363.60x = 652,871.40 × 303,613.20
  4. Step 4: Simplify right side
    473,363.60x = 198,220,374,942.48
  5. Step 5: Solve for x
    x = 198,220,374,942.48/473,363.60
  6. Step 6: Final answer
    x = 418,748.66

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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.