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Finding the Fourth Proportional to 369,225, 553,890.96 and 116,419.68

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Solution

The fourth proportional to 369,225, 553,890.96 and 116,419.68 is: 174,646.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,225 : 553,890.96 = 116,419.68 : x
  2. Step 2: Convert to fraction form
    369,225/553,890.96 = 116,419.68/x
  3. Step 3: Cross multiply
    369,225x = 553,890.96 × 116,419.68
  4. Step 4: Simplify right side
    369,225x = 64,483,808,318.09
  5. Step 5: Solve for x
    x = 64,483,808,318.09/369,225
  6. Step 6: Final answer
    x = 174,646.38

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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.