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Finding the Fourth Proportional to 382,897.55, 574,431.99 and 116,678.90

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Solution

The fourth proportional to 382,897.55, 574,431.99 and 116,678.90 is: 175,044.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,897.55 : 574,431.99 = 116,678.90 : x
  2. Step 2: Convert to fraction form
    382,897.55/574,431.99 = 116,678.90/x
  3. Step 3: Cross multiply
    382,897.55x = 574,431.99 × 116,678.90
  4. Step 4: Simplify right side
    382,897.55x = 67,024,094,154.09
  5. Step 5: Solve for x
    x = 67,024,094,154.09/382,897.55
  6. Step 6: Final answer
    x = 175,044.46

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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.