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Finding the Fourth Proportional to 696,301.43, 960,898.42 and 438,349.05

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Solution

The fourth proportional to 696,301.43, 960,898.42 and 438,349.05 is: 604,923.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,301.43 : 960,898.42 = 438,349.05 : x
  2. Step 2: Convert to fraction form
    696,301.43/960,898.42 = 438,349.05/x
  3. Step 3: Cross multiply
    696,301.43x = 960,898.42 × 438,349.05
  4. Step 4: Simplify right side
    696,301.43x = 421,208,909,553.50
  5. Step 5: Solve for x
    x = 421,208,909,553.50/696,301.43
  6. Step 6: Final answer
    x = 604,923.23

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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.