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Finding the Fourth Proportional to 348,386.68, 480,773.28 and 197,483.68

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Solution

The fourth proportional to 348,386.68, 480,773.28 and 197,483.68 is: 272,527.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,386.68 : 480,773.28 = 197,483.68 : x
  2. Step 2: Convert to fraction form
    348,386.68/480,773.28 = 197,483.68/x
  3. Step 3: Cross multiply
    348,386.68x = 480,773.28 × 197,483.68
  4. Step 4: Simplify right side
    348,386.68x = 94,944,876,580.07
  5. Step 5: Solve for x
    x = 94,944,876,580.07/348,386.68
  6. Step 6: Final answer
    x = 272,527.29

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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.