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Finding the Fourth Proportional to 434,427.60, 652,224.60 and 277,352.40

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Solution

The fourth proportional to 434,427.60, 652,224.60 and 277,352.40 is: 416,400.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,427.60 : 652,224.60 = 277,352.40 : x
  2. Step 2: Convert to fraction form
    434,427.60/652,224.60 = 277,352.40/x
  3. Step 3: Cross multiply
    434,427.60x = 652,224.60 × 277,352.40
  4. Step 4: Simplify right side
    434,427.60x = 180,896,058,149.04
  5. Step 5: Solve for x
    x = 180,896,058,149.04/434,427.60
  6. Step 6: Final answer
    x = 416,400.93

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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.