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Finding the Fourth Proportional to 541,554.71, 812,444.15 and 162,460.13

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Solution

The fourth proportional to 541,554.71, 812,444.15 and 162,460.13 is: 243,723.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,554.71 : 812,444.15 = 162,460.13 : x
  2. Step 2: Convert to fraction form
    541,554.71/812,444.15 = 162,460.13/x
  3. Step 3: Cross multiply
    541,554.71x = 812,444.15 × 162,460.13
  4. Step 4: Simplify right side
    541,554.71x = 131,989,779,383.33
  5. Step 5: Solve for x
    x = 131,989,779,383.33/541,554.71
  6. Step 6: Final answer
    x = 243,723.82

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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.