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Finding the Fourth Proportional to 564,752.25, 779,363.57 and 310,108.91

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Solution

The fourth proportional to 564,752.25, 779,363.57 and 310,108.91 is: 427,953.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,752.25 : 779,363.57 = 310,108.91 : x
  2. Step 2: Convert to fraction form
    564,752.25/779,363.57 = 310,108.91/x
  3. Step 3: Cross multiply
    564,752.25x = 779,363.57 × 310,108.91
  4. Step 4: Simplify right side
    564,752.25x = 241,687,584,064.86
  5. Step 5: Solve for x
    x = 241,687,584,064.86/564,752.25
  6. Step 6: Final answer
    x = 427,953.29

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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.