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Finding the Fourth Proportional to 456,666.19, 630,200.57 and 252,731.19

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Solution

The fourth proportional to 456,666.19, 630,200.57 and 252,731.19 is: 348,769.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,666.19 : 630,200.57 = 252,731.19 : x
  2. Step 2: Convert to fraction form
    456,666.19/630,200.57 = 252,731.19/x
  3. Step 3: Cross multiply
    456,666.19x = 630,200.57 × 252,731.19
  4. Step 4: Simplify right side
    456,666.19x = 159,271,339,994.78
  5. Step 5: Solve for x
    x = 159,271,339,994.78/456,666.19
  6. Step 6: Final answer
    x = 348,769.72

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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.