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Finding the Fourth Proportional to 415,869.04, 623,842.85 and 116,349.67

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Solution

The fourth proportional to 415,869.04, 623,842.85 and 116,349.67 is: 174,535.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,869.04 : 623,842.85 = 116,349.67 : x
  2. Step 2: Convert to fraction form
    415,869.04/623,842.85 = 116,349.67/x
  3. Step 3: Cross multiply
    415,869.04x = 623,842.85 × 116,349.67
  4. Step 4: Simplify right side
    415,869.04x = 72,583,909,729.36
  5. Step 5: Solve for x
    x = 72,583,909,729.36/415,869.04
  6. Step 6: Final answer
    x = 174,535.50

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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.