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Finding the Fourth Proportional to 570,552.58, 787,184.30 and 328,802.28

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Solution

The fourth proportional to 570,552.58, 787,184.30 and 328,802.28 is: 453,644.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,552.58 : 787,184.30 = 328,802.28 : x
  2. Step 2: Convert to fraction form
    570,552.58/787,184.30 = 328,802.28/x
  3. Step 3: Cross multiply
    570,552.58x = 787,184.30 × 328,802.28
  4. Step 4: Simplify right side
    570,552.58x = 258,827,992,620.20
  5. Step 5: Solve for x
    x = 258,827,992,620.20/570,552.58
  6. Step 6: Final answer
    x = 453,644.42

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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.