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Finding the Fourth Proportional to 368,490.96, 508,547.42 and 207,336.60

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Solution

The fourth proportional to 368,490.96, 508,547.42 and 207,336.60 is: 286,141.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,490.96 : 508,547.42 = 207,336.60 : x
  2. Step 2: Convert to fraction form
    368,490.96/508,547.42 = 207,336.60/x
  3. Step 3: Cross multiply
    368,490.96x = 508,547.42 × 207,336.60
  4. Step 4: Simplify right side
    368,490.96x = 105,440,493,001.57
  5. Step 5: Solve for x
    x = 105,440,493,001.57/368,490.96
  6. Step 6: Final answer
    x = 286,141.33

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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.