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Finding the Fourth Proportional to 373,617.60, 559,810.80 and 215,570.40

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Solution

The fourth proportional to 373,617.60, 559,810.80 and 215,570.40 is: 323,000.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,617.60 : 559,810.80 = 215,570.40 : x
  2. Step 2: Convert to fraction form
    373,617.60/559,810.80 = 215,570.40/x
  3. Step 3: Cross multiply
    373,617.60x = 559,810.80 × 215,570.40
  4. Step 4: Simplify right side
    373,617.60x = 120,678,638,080.32
  5. Step 5: Solve for x
    x = 120,678,638,080.32/373,617.60
  6. Step 6: Final answer
    x = 323,000.41

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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.