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Finding the Fourth Proportional to 442,549.61, 610,717.56 and 248,957.45

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Solution

The fourth proportional to 442,549.61, 610,717.56 and 248,957.45 is: 343,560.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,549.61 : 610,717.56 = 248,957.45 : x
  2. Step 2: Convert to fraction form
    442,549.61/610,717.56 = 248,957.45/x
  3. Step 3: Cross multiply
    442,549.61x = 610,717.56 × 248,957.45
  4. Step 4: Simplify right side
    442,549.61x = 152,042,684,973.41
  5. Step 5: Solve for x
    x = 152,042,684,973.41/442,549.61
  6. Step 6: Final answer
    x = 343,560.77

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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.