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Finding the Fourth Proportional to 633,071.52, 873,605.52 and 346,536.72

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Solution

The fourth proportional to 633,071.52, 873,605.52 and 346,536.72 is: 478,202.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,071.52 : 873,605.52 = 346,536.72 : x
  2. Step 2: Convert to fraction form
    633,071.52/873,605.52 = 346,536.72/x
  3. Step 3: Cross multiply
    633,071.52x = 873,605.52 × 346,536.72
  4. Step 4: Simplify right side
    633,071.52x = 302,736,391,474.69
  5. Step 5: Solve for x
    x = 302,736,391,474.69/633,071.52
  6. Step 6: Final answer
    x = 478,202.51

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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.