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Finding the Fourth Proportional to 696,008.94, 960,572.01 and 390,167.92

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Solution

The fourth proportional to 696,008.94, 960,572.01 and 390,167.92 is: 538,476.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,008.94 : 960,572.01 = 390,167.92 : x
  2. Step 2: Convert to fraction form
    696,008.94/960,572.01 = 390,167.92/x
  3. Step 3: Cross multiply
    696,008.94x = 960,572.01 × 390,167.92
  4. Step 4: Simplify right side
    696,008.94x = 374,784,383,151.92
  5. Step 5: Solve for x
    x = 374,784,383,151.92/696,008.94
  6. Step 6: Final answer
    x = 538,476.39

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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.