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Finding the Fourth Proportional to 464,353.40, 696,530.10 and 149,036.60

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Solution

The fourth proportional to 464,353.40, 696,530.10 and 149,036.60 is: 223,554.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,353.40 : 696,530.10 = 149,036.60 : x
  2. Step 2: Convert to fraction form
    464,353.40/696,530.10 = 149,036.60/x
  3. Step 3: Cross multiply
    464,353.40x = 696,530.10 × 149,036.60
  4. Step 4: Simplify right side
    464,353.40x = 103,808,477,901.66
  5. Step 5: Solve for x
    x = 103,808,477,901.66/464,353.40
  6. Step 6: Final answer
    x = 223,554.90

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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.