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Finding the Fourth Proportional to 536,470.80, 804,706.20 and 336,931.35

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Solution

The fourth proportional to 536,470.80, 804,706.20 and 336,931.35 is: 505,397.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,470.80 : 804,706.20 = 336,931.35 : x
  2. Step 2: Convert to fraction form
    536,470.80/804,706.20 = 336,931.35/x
  3. Step 3: Cross multiply
    536,470.80x = 804,706.20 × 336,931.35
  4. Step 4: Simplify right side
    536,470.80x = 271,130,746,319.37
  5. Step 5: Solve for x
    x = 271,130,746,319.37/536,470.80
  6. Step 6: Final answer
    x = 505,397.03

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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.