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Finding the Fourth Proportional to 601,572.52, 829,859.58 and 407,914.72

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Solution

The fourth proportional to 601,572.52, 829,859.58 and 407,914.72 is: 562,711.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,572.52 : 829,859.58 = 407,914.72 : x
  2. Step 2: Convert to fraction form
    601,572.52/829,859.58 = 407,914.72/x
  3. Step 3: Cross multiply
    601,572.52x = 829,859.58 × 407,914.72
  4. Step 4: Simplify right side
    601,572.52x = 338,511,936,140.37
  5. Step 5: Solve for x
    x = 338,511,936,140.37/601,572.52
  6. Step 6: Final answer
    x = 562,711.77

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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.