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Finding the Fourth Proportional to 514,480.41, 710,063.92 and 293,718.25

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Solution

The fourth proportional to 514,480.41, 710,063.92 and 293,718.25 is: 405,377.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,480.41 : 710,063.92 = 293,718.25 : x
  2. Step 2: Convert to fraction form
    514,480.41/710,063.92 = 293,718.25/x
  3. Step 3: Cross multiply
    514,480.41x = 710,063.92 × 293,718.25
  4. Step 4: Simplify right side
    514,480.41x = 208,558,733,225.27
  5. Step 5: Solve for x
    x = 208,558,733,225.27/514,480.41
  6. Step 6: Final answer
    x = 405,377.40

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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.