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Finding the Fourth Proportional to 633,085.22, 873,660.16 and 346,631.96

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Solution

The fourth proportional to 633,085.22, 873,660.16 and 346,631.96 is: 478,353.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,085.22 : 873,660.16 = 346,631.96 : x
  2. Step 2: Convert to fraction form
    633,085.22/873,660.16 = 346,631.96/x
  3. Step 3: Cross multiply
    633,085.22x = 873,660.16 × 346,631.96
  4. Step 4: Simplify right side
    633,085.22x = 302,838,533,634.71
  5. Step 5: Solve for x
    x = 302,838,533,634.71/633,085.22
  6. Step 6: Final answer
    x = 478,353.50

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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.