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Finding the Fourth Proportional to 424,639.09, 586,006.05 and 233,656.59

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Solution

The fourth proportional to 424,639.09, 586,006.05 and 233,656.59 is: 322,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,639.09 : 586,006.05 = 233,656.59 : x
  2. Step 2: Convert to fraction form
    424,639.09/586,006.05 = 233,656.59/x
  3. Step 3: Cross multiply
    424,639.09x = 586,006.05 × 233,656.59
  4. Step 4: Simplify right side
    424,639.09x = 136,924,175,362.37
  5. Step 5: Solve for x
    x = 136,924,175,362.37/424,639.09
  6. Step 6: Final answer
    x = 322,448.35

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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.