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Finding the Fourth Proportional to 372,701.70, 559,052.55 and 353,456.10

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Solution

The fourth proportional to 372,701.70, 559,052.55 and 353,456.10 is: 530,184.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,701.70 : 559,052.55 = 353,456.10 : x
  2. Step 2: Convert to fraction form
    372,701.70/559,052.55 = 353,456.10/x
  3. Step 3: Cross multiply
    372,701.70x = 559,052.55 × 353,456.10
  4. Step 4: Simplify right side
    372,701.70x = 197,600,534,018.06
  5. Step 5: Solve for x
    x = 197,600,534,018.06/372,701.70
  6. Step 6: Final answer
    x = 530,184.15

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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.