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Finding the Fourth Proportional to 210,514.80, 316,549.80 and 176,300.40

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Solution

The fourth proportional to 210,514.80, 316,549.80 and 176,300.40 is: 265,101.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,514.80 : 316,549.80 = 176,300.40 : x
  2. Step 2: Convert to fraction form
    210,514.80/316,549.80 = 176,300.40/x
  3. Step 3: Cross multiply
    210,514.80x = 316,549.80 × 176,300.40
  4. Step 4: Simplify right side
    210,514.80x = 55,807,856,359.92
  5. Step 5: Solve for x
    x = 55,807,856,359.92/210,514.80
  6. Step 6: Final answer
    x = 265,101.82

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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.