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Finding the Fourth Proportional to 570,680.04, 787,563.21 and 316,031.22

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Solution

The fourth proportional to 570,680.04, 787,563.21 and 316,031.22 is: 436,136.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,680.04 : 787,563.21 = 316,031.22 : x
  2. Step 2: Convert to fraction form
    570,680.04/787,563.21 = 316,031.22/x
  3. Step 3: Cross multiply
    570,680.04x = 787,563.21 × 316,031.22
  4. Step 4: Simplify right side
    570,680.04x = 248,894,562,083.42
  5. Step 5: Solve for x
    x = 248,894,562,083.42/570,680.04
  6. Step 6: Final answer
    x = 436,136.79

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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.