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Finding the Fourth Proportional to 610,674.12, 917,442.42 and 576,165.42

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Solution

The fourth proportional to 610,674.12, 917,442.42 and 576,165.42 is: 865,598.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,674.12 : 917,442.42 = 576,165.42 : x
  2. Step 2: Convert to fraction form
    610,674.12/917,442.42 = 576,165.42/x
  3. Step 3: Cross multiply
    610,674.12x = 917,442.42 × 576,165.42
  4. Step 4: Simplify right side
    610,674.12x = 528,598,597,245.12
  5. Step 5: Solve for x
    x = 528,598,597,245.12/610,674.12
  6. Step 6: Final answer
    x = 865,598.49

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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.