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Finding the Fourth Proportional to 375,256.80, 562,885.20 and 188,200.80

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Solution

The fourth proportional to 375,256.80, 562,885.20 and 188,200.80 is: 282,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,256.80 : 562,885.20 = 188,200.80 : x
  2. Step 2: Convert to fraction form
    375,256.80/562,885.20 = 188,200.80/x
  3. Step 3: Cross multiply
    375,256.80x = 562,885.20 × 188,200.80
  4. Step 4: Simplify right side
    375,256.80x = 105,935,444,948.16
  5. Step 5: Solve for x
    x = 105,935,444,948.16/375,256.80
  6. Step 6: Final answer
    x = 282,301.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.