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Finding the Fourth Proportional to 385,624.02, 532,024.29 and 251,254.74

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Solution

The fourth proportional to 385,624.02, 532,024.29 and 251,254.74 is: 346,642.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,624.02 : 532,024.29 = 251,254.74 : x
  2. Step 2: Convert to fraction form
    385,624.02/532,024.29 = 251,254.74/x
  3. Step 3: Cross multiply
    385,624.02x = 532,024.29 × 251,254.74
  4. Step 4: Simplify right side
    385,624.02x = 133,673,624,657.64
  5. Step 5: Solve for x
    x = 133,673,624,657.64/385,624.02
  6. Step 6: Final answer
    x = 346,642.37

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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.