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Finding the Fourth Proportional to 341,702.40, 512,553.60 and 145,094.40

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Solution

The fourth proportional to 341,702.40, 512,553.60 and 145,094.40 is: 217,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,702.40 : 512,553.60 = 145,094.40 : x
  2. Step 2: Convert to fraction form
    341,702.40/512,553.60 = 145,094.40/x
  3. Step 3: Cross multiply
    341,702.40x = 512,553.60 × 145,094.40
  4. Step 4: Simplify right side
    341,702.40x = 74,368,657,059.84
  5. Step 5: Solve for x
    x = 74,368,657,059.84/341,702.40
  6. Step 6: Final answer
    x = 217,641.60

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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.