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Finding the Fourth Proportional to 427,392.59, 592,498.93 and 404,640.50

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Solution

The fourth proportional to 427,392.59, 592,498.93 and 404,640.50 is: 560,957.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,392.59 : 592,498.93 = 404,640.50 : x
  2. Step 2: Convert to fraction form
    427,392.59/592,498.93 = 404,640.50/x
  3. Step 3: Cross multiply
    427,392.59x = 592,498.93 × 404,640.50
  4. Step 4: Simplify right side
    427,392.59x = 239,749,063,754.31
  5. Step 5: Solve for x
    x = 239,749,063,754.31/427,392.59
  6. Step 6: Final answer
    x = 560,957.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.