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Finding the Fourth Proportional to 456,717.30, 630,116.24 and 265,573.50

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Solution

The fourth proportional to 456,717.30, 630,116.24 and 265,573.50 is: 366,402.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,717.30 : 630,116.24 = 265,573.50 : x
  2. Step 2: Convert to fraction form
    456,717.30/630,116.24 = 265,573.50/x
  3. Step 3: Cross multiply
    456,717.30x = 630,116.24 × 265,573.50
  4. Step 4: Simplify right side
    456,717.30x = 167,342,175,263.64
  5. Step 5: Solve for x
    x = 167,342,175,263.64/456,717.30
  6. Step 6: Final answer
    x = 366,402.09

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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.