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Finding the Fourth Proportional to 633,220.32, 873,843.72 and 346,740.24

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Solution

The fourth proportional to 633,220.32, 873,843.72 and 346,740.24 is: 478,501.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,220.32 : 873,843.72 = 346,740.24 : x
  2. Step 2: Convert to fraction form
    633,220.32/873,843.72 = 346,740.24/x
  3. Step 3: Cross multiply
    633,220.32x = 873,843.72 × 346,740.24
  4. Step 4: Simplify right side
    633,220.32x = 302,996,781,195.29
  5. Step 5: Solve for x
    x = 302,996,781,195.29/633,220.32
  6. Step 6: Final answer
    x = 478,501.36

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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.