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Finding the Fourth Proportional to 562,893.40, 842,496.90 and 437,555.80

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Solution

The fourth proportional to 562,893.40, 842,496.90 and 437,555.80 is: 654,900.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,893.40 : 842,496.90 = 437,555.80 : x
  2. Step 2: Convert to fraction form
    562,893.40/842,496.90 = 437,555.80/x
  3. Step 3: Cross multiply
    562,893.40x = 842,496.90 × 437,555.80
  4. Step 4: Simplify right side
    562,893.40x = 368,639,405,077.02
  5. Step 5: Solve for x
    x = 368,639,405,077.02/562,893.40
  6. Step 6: Final answer
    x = 654,900.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.