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Finding the Fourth Proportional to 473,521.20, 710,249.40 and 153,668.40

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Solution

The fourth proportional to 473,521.20, 710,249.40 and 153,668.40 is: 230,492.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,521.20 : 710,249.40 = 153,668.40 : x
  2. Step 2: Convert to fraction form
    473,521.20/710,249.40 = 153,668.40/x
  3. Step 3: Cross multiply
    473,521.20x = 710,249.40 × 153,668.40
  4. Step 4: Simplify right side
    473,521.20x = 109,142,888,898.96
  5. Step 5: Solve for x
    x = 109,142,888,898.96/473,521.20
  6. Step 6: Final answer
    x = 230,492.09

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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.