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Finding the Fourth Proportional to 405,165.04, 559,099.08 and 223,875.04

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Solution

The fourth proportional to 405,165.04, 559,099.08 and 223,875.04 is: 308,931.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,165.04 : 559,099.08 = 223,875.04 : x
  2. Step 2: Convert to fraction form
    405,165.04/559,099.08 = 223,875.04/x
  3. Step 3: Cross multiply
    405,165.04x = 559,099.08 × 223,875.04
  4. Step 4: Simplify right side
    405,165.04x = 125,168,328,898.96
  5. Step 5: Solve for x
    x = 125,168,328,898.96/405,165.04
  6. Step 6: Final answer
    x = 308,931.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.