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Finding the Fourth Proportional to 837,570, 1,155,847.14 and 474,877.92

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Solution

The fourth proportional to 837,570, 1,155,847.14 and 474,877.92 is: 655,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,570 : 1,155,847.14 = 474,877.92 : x
  2. Step 2: Convert to fraction form
    837,570/1,155,847.14 = 474,877.92/x
  3. Step 3: Cross multiply
    837,570x = 1,155,847.14 × 474,877.92
  4. Step 4: Simplify right side
    837,570x = 548,886,285,681.15
  5. Step 5: Solve for x
    x = 548,886,285,681.15/837,570
  6. Step 6: Final answer
    x = 655,331.84

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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.