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Finding the Fourth Proportional to 514,888.92, 710,588.67 and 285,518.13

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Solution

The fourth proportional to 514,888.92, 710,588.67 and 285,518.13 is: 394,038.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,888.92 : 710,588.67 = 285,518.13 : x
  2. Step 2: Convert to fraction form
    514,888.92/710,588.67 = 285,518.13/x
  3. Step 3: Cross multiply
    514,888.92x = 710,588.67 × 285,518.13
  4. Step 4: Simplify right side
    514,888.92x = 202,885,948,257.59
  5. Step 5: Solve for x
    x = 202,885,948,257.59/514,888.92
  6. Step 6: Final answer
    x = 394,038.29

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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.