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Finding the Fourth Proportional to 378,030.60, 567,045.90 and 354,702.60

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Solution

The fourth proportional to 378,030.60, 567,045.90 and 354,702.60 is: 532,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,030.60 : 567,045.90 = 354,702.60 : x
  2. Step 2: Convert to fraction form
    378,030.60/567,045.90 = 354,702.60/x
  3. Step 3: Cross multiply
    378,030.60x = 567,045.90 × 354,702.60
  4. Step 4: Simplify right side
    378,030.60x = 201,132,655,049.34
  5. Step 5: Solve for x
    x = 201,132,655,049.34/378,030.60
  6. Step 6: Final answer
    x = 532,053.90

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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.