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Finding the Fourth Proportional to 535,482.60, 804,536.10 and 402,622.35

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Solution

The fourth proportional to 535,482.60, 804,536.10 and 402,622.35 is: 604,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,482.60 : 804,536.10 = 402,622.35 : x
  2. Step 2: Convert to fraction form
    535,482.60/804,536.10 = 402,622.35/x
  3. Step 3: Cross multiply
    535,482.60x = 804,536.10 × 402,622.35
  4. Step 4: Simplify right side
    535,482.60x = 323,924,215,241.84
  5. Step 5: Solve for x
    x = 323,924,215,241.84/535,482.60
  6. Step 6: Final answer
    x = 604,920.15

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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.