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Finding the Fourth Proportional to 306,030.10, 459,045.15 and 294,366.10

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Solution

The fourth proportional to 306,030.10, 459,045.15 and 294,366.10 is: 441,549.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,030.10 : 459,045.15 = 294,366.10 : x
  2. Step 2: Convert to fraction form
    306,030.10/459,045.15 = 294,366.10/x
  3. Step 3: Cross multiply
    306,030.10x = 459,045.15 × 294,366.10
  4. Step 4: Simplify right side
    306,030.10x = 135,127,330,529.42
  5. Step 5: Solve for x
    x = 135,127,330,529.42/306,030.10
  6. Step 6: Final answer
    x = 441,549.15

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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.