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Finding the Fourth Proportional to 897,740.10, 1,346,670.90 and 365,270.40

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Solution

The fourth proportional to 897,740.10, 1,346,670.90 and 365,270.40 is: 547,930.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,740.10 : 1,346,670.90 = 365,270.40 : x
  2. Step 2: Convert to fraction form
    897,740.10/1,346,670.90 = 365,270.40/x
  3. Step 3: Cross multiply
    897,740.10x = 1,346,670.90 × 365,270.40
  4. Step 4: Simplify right side
    897,740.10x = 491,899,018,311.36
  5. Step 5: Solve for x
    x = 491,899,018,311.36/897,740.10
  6. Step 6: Final answer
    x = 547,930.32

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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.