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Finding the Fourth Proportional to 696,586.96, 961,395.08 and 424,812.51

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Solution

The fourth proportional to 696,586.96, 961,395.08 and 424,812.51 is: 586,305.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,586.96 : 961,395.08 = 424,812.51 : x
  2. Step 2: Convert to fraction form
    696,586.96/961,395.08 = 424,812.51/x
  3. Step 3: Cross multiply
    696,586.96x = 961,395.08 × 424,812.51
  4. Step 4: Simplify right side
    696,586.96x = 408,412,657,036.45
  5. Step 5: Solve for x
    x = 408,412,657,036.45/696,586.96
  6. Step 6: Final answer
    x = 586,305.34

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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.