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Finding the Fourth Proportional to 633,066.56, 873,642.84 and 346,582.16

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Solution

The fourth proportional to 633,066.56, 873,642.84 and 346,582.16 is: 478,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,066.56 : 873,642.84 = 346,582.16 : x
  2. Step 2: Convert to fraction form
    633,066.56/873,642.84 = 346,582.16/x
  3. Step 3: Cross multiply
    633,066.56x = 873,642.84 × 346,582.16
  4. Step 4: Simplify right side
    633,066.56x = 302,789,022,555.73
  5. Step 5: Solve for x
    x = 302,789,022,555.73/633,066.56
  6. Step 6: Final answer
    x = 478,289.40

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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.