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Finding the Fourth Proportional to 544,875.41, 751,916.33 and 315,442.41

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Solution

The fourth proportional to 544,875.41, 751,916.33 and 315,442.41 is: 435,303.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,875.41 : 751,916.33 = 315,442.41 : x
  2. Step 2: Convert to fraction form
    544,875.41/751,916.33 = 315,442.41/x
  3. Step 3: Cross multiply
    544,875.41x = 751,916.33 × 315,442.41
  4. Step 4: Simplify right side
    544,875.41x = 237,186,296,039.57
  5. Step 5: Solve for x
    x = 237,186,296,039.57/544,875.41
  6. Step 6: Final answer
    x = 435,303.72

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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.