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Finding the Fourth Proportional to 632,794.80, 873,257.16 and 346,314.72

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Solution

The fourth proportional to 632,794.80, 873,257.16 and 346,314.72 is: 477,914.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,794.80 : 873,257.16 = 346,314.72 : x
  2. Step 2: Convert to fraction form
    632,794.80/873,257.16 = 346,314.72/x
  3. Step 3: Cross multiply
    632,794.80x = 873,257.16 × 346,314.72
  4. Step 4: Simplify right side
    632,794.80x = 302,421,808,853.40
  5. Step 5: Solve for x
    x = 302,421,808,853.40/632,794.80
  6. Step 6: Final answer
    x = 477,914.50

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1.5x scale

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.