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Finding the Fourth Proportional to 633,444.56, 874,150.92 and 346,964.24

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Solution

The fourth proportional to 633,444.56, 874,150.92 and 346,964.24 is: 478,809.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,444.56 : 874,150.92 = 346,964.24 : x
  2. Step 2: Convert to fraction form
    633,444.56/874,150.92 = 346,964.24/x
  3. Step 3: Cross multiply
    633,444.56x = 874,150.92 × 346,964.24
  4. Step 4: Simplify right side
    633,444.56x = 303,299,109,603.10
  5. Step 5: Solve for x
    x = 303,299,109,603.10/633,444.56
  6. Step 6: Final answer
    x = 478,809.24

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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.