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Finding the Fourth Proportional to 356,663.61, 492,352.86 and 249,653.70

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Solution

The fourth proportional to 356,663.61, 492,352.86 and 249,653.70 is: 344,632.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,663.61 : 492,352.86 = 249,653.70 : x
  2. Step 2: Convert to fraction form
    356,663.61/492,352.86 = 249,653.70/x
  3. Step 3: Cross multiply
    356,663.61x = 492,352.86 × 249,653.70
  4. Step 4: Simplify right side
    356,663.61x = 122,917,713,204.58
  5. Step 5: Solve for x
    x = 122,917,713,204.58/356,663.61
  6. Step 6: Final answer
    x = 344,632.06

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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.