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Finding the Fourth Proportional to 564,853.99, 779,210.26 and 360,690.25

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Solution

The fourth proportional to 564,853.99, 779,210.26 and 360,690.25 is: 497,568.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,853.99 : 779,210.26 = 360,690.25 : x
  2. Step 2: Convert to fraction form
    564,853.99/779,210.26 = 360,690.25/x
  3. Step 3: Cross multiply
    564,853.99x = 779,210.26 × 360,690.25
  4. Step 4: Simplify right side
    564,853.99x = 281,053,540,834.82
  5. Step 5: Solve for x
    x = 281,053,540,834.82/564,853.99
  6. Step 6: Final answer
    x = 497,568.48

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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.