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Finding the Fourth Proportional to 895,239.56, 1,235,430.56 and 487,344.35

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Solution

The fourth proportional to 895,239.56, 1,235,430.56 and 487,344.35 is: 672,535.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,239.56 : 1,235,430.56 = 487,344.35 : x
  2. Step 2: Convert to fraction form
    895,239.56/1,235,430.56 = 487,344.35/x
  3. Step 3: Cross multiply
    895,239.56x = 1,235,430.56 × 487,344.35
  4. Step 4: Simplify right side
    895,239.56x = 602,080,107,540.27
  5. Step 5: Solve for x
    x = 602,080,107,540.27/895,239.56
  6. Step 6: Final answer
    x = 672,535.19

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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.