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Finding the Fourth Proportional to 696,354.80, 960,883.62 and 424,323.56

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Solution

The fourth proportional to 696,354.80, 960,883.62 and 424,323.56 is: 585,514.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,354.80 : 960,883.62 = 424,323.56 : x
  2. Step 2: Convert to fraction form
    696,354.80/960,883.62 = 424,323.56/x
  3. Step 3: Cross multiply
    696,354.80x = 960,883.62 × 424,323.56
  4. Step 4: Simplify right side
    696,354.80x = 407,725,558,384.09
  5. Step 5: Solve for x
    x = 407,725,558,384.09/696,354.80
  6. Step 6: Final answer
    x = 585,514.11

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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.