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Finding the Fourth Proportional to 512,528.48, 707,248.56 and 297,633.20

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Solution

The fourth proportional to 512,528.48, 707,248.56 and 297,633.20 is: 410,710.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,528.48 : 707,248.56 = 297,633.20 : x
  2. Step 2: Convert to fraction form
    512,528.48/707,248.56 = 297,633.20/x
  3. Step 3: Cross multiply
    512,528.48x = 707,248.56 × 297,633.20
  4. Step 4: Simplify right side
    512,528.48x = 210,500,652,108.19
  5. Step 5: Solve for x
    x = 210,500,652,108.19/512,528.48
  6. Step 6: Final answer
    x = 410,710.16

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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.