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Finding the Fourth Proportional to 456,953.40, 630,732.35 and 295,819.32

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Solution

The fourth proportional to 456,953.40, 630,732.35 and 295,819.32 is: 408,319.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,953.40 : 630,732.35 = 295,819.32 : x
  2. Step 2: Convert to fraction form
    456,953.40/630,732.35 = 295,819.32/x
  3. Step 3: Cross multiply
    456,953.40x = 630,732.35 × 295,819.32
  4. Step 4: Simplify right side
    456,953.40x = 186,582,817,983.80
  5. Step 5: Solve for x
    x = 186,582,817,983.80/456,953.40
  6. Step 6: Final answer
    x = 408,319.14

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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.