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Finding the Fourth Proportional to 345,364.29, 473,150.79 and 332,420.64

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Solution

The fourth proportional to 345,364.29, 473,150.79 and 332,420.64 is: 455,417.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,364.29 : 473,150.79 = 332,420.64 : x
  2. Step 2: Convert to fraction form
    345,364.29/473,150.79 = 332,420.64/x
  3. Step 3: Cross multiply
    345,364.29x = 473,150.79 × 332,420.64
  4. Step 4: Simplify right side
    345,364.29x = 157,285,088,428.31
  5. Step 5: Solve for x
    x = 157,285,088,428.31/345,364.29
  6. Step 6: Final answer
    x = 455,417.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.