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Finding the Fourth Proportional to 434,468.40, 651,702.60 and 355,671.60

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Solution

The fourth proportional to 434,468.40, 651,702.60 and 355,671.60 is: 533,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,468.40 : 651,702.60 = 355,671.60 : x
  2. Step 2: Convert to fraction form
    434,468.40/651,702.60 = 355,671.60/x
  3. Step 3: Cross multiply
    434,468.40x = 651,702.60 × 355,671.60
  4. Step 4: Simplify right side
    434,468.40x = 231,792,106,466.16
  5. Step 5: Solve for x
    x = 231,792,106,466.16/434,468.40
  6. Step 6: Final answer
    x = 533,507.40

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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.