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Finding the Fourth Proportional to 541,381.47, 812,068.56 and 423,152.25

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Solution

The fourth proportional to 541,381.47, 812,068.56 and 423,152.25 is: 634,725.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,381.47 : 812,068.56 = 423,152.25 : x
  2. Step 2: Convert to fraction form
    541,381.47/812,068.56 = 423,152.25/x
  3. Step 3: Cross multiply
    541,381.47x = 812,068.56 × 423,152.25
  4. Step 4: Simplify right side
    541,381.47x = 343,628,638,318.26
  5. Step 5: Solve for x
    x = 343,628,638,318.26/541,381.47
  6. Step 6: Final answer
    x = 634,725.53

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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.