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Finding the Fourth Proportional to 343,005.19, 514,683.29 and 163,293.73

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Solution

The fourth proportional to 343,005.19, 514,683.29 and 163,293.73 is: 245,024.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,005.19 : 514,683.29 = 163,293.73 : x
  2. Step 2: Convert to fraction form
    343,005.19/514,683.29 = 163,293.73/x
  3. Step 3: Cross multiply
    343,005.19x = 514,683.29 × 163,293.73
  4. Step 4: Simplify right side
    343,005.19x = 84,044,554,192.77
  5. Step 5: Solve for x
    x = 84,044,554,192.77/343,005.19
  6. Step 6: Final answer
    x = 245,024.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.