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Finding the Fourth Proportional to 567,585.64, 783,588.55 and 376,859.80

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Solution

The fourth proportional to 567,585.64, 783,588.55 and 376,859.80 is: 520,279.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,585.64 : 783,588.55 = 376,859.80 : x
  2. Step 2: Convert to fraction form
    567,585.64/783,588.55 = 376,859.80/x
  3. Step 3: Cross multiply
    567,585.64x = 783,588.55 × 376,859.80
  4. Step 4: Simplify right side
    567,585.64x = 295,303,020,317.35
  5. Step 5: Solve for x
    x = 295,303,020,317.35/567,585.64
  6. Step 6: Final answer
    x = 520,279.24

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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.