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Finding the Fourth Proportional to 632,709.36, 873,117.72 and 346,210.20

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Solution

The fourth proportional to 632,709.36, 873,117.72 and 346,210.20 is: 477,758.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,709.36 : 873,117.72 = 346,210.20 : x
  2. Step 2: Convert to fraction form
    632,709.36/873,117.72 = 346,210.20/x
  3. Step 3: Cross multiply
    632,709.36x = 873,117.72 × 346,210.20
  4. Step 4: Simplify right side
    632,709.36x = 302,282,260,464.74
  5. Step 5: Solve for x
    x = 302,282,260,464.74/632,709.36
  6. Step 6: Final answer
    x = 477,758.48

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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.