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Finding the Fourth Proportional to 600,569.12, 827,775.32 and 455,326.80

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Solution

The fourth proportional to 600,569.12, 827,775.32 and 455,326.80 is: 627,585.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,569.12 : 827,775.32 = 455,326.80 : x
  2. Step 2: Convert to fraction form
    600,569.12/827,775.32 = 455,326.80/x
  3. Step 3: Cross multiply
    600,569.12x = 827,775.32 × 455,326.80
  4. Step 4: Simplify right side
    600,569.12x = 376,908,290,458.75
  5. Step 5: Solve for x
    x = 376,908,290,458.75/600,569.12
  6. Step 6: Final answer
    x = 627,585.20

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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.