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Finding the Fourth Proportional to 306,023.40, 459,035.10 and 181,607.40

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Solution

The fourth proportional to 306,023.40, 459,035.10 and 181,607.40 is: 272,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,023.40 : 459,035.10 = 181,607.40 : x
  2. Step 2: Convert to fraction form
    306,023.40/459,035.10 = 181,607.40/x
  3. Step 3: Cross multiply
    306,023.40x = 459,035.10 × 181,607.40
  4. Step 4: Simplify right side
    306,023.40x = 83,364,171,019.74
  5. Step 5: Solve for x
    x = 83,364,171,019.74/306,023.40
  6. Step 6: Final answer
    x = 272,411.10

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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.