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Finding the Fourth Proportional to 634,773.53, 876,002.76 and 348,293.39

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Solution

The fourth proportional to 634,773.53, 876,002.76 and 348,293.39 is: 480,653.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,773.53 : 876,002.76 = 348,293.39 : x
  2. Step 2: Convert to fraction form
    634,773.53/876,002.76 = 348,293.39/x
  3. Step 3: Cross multiply
    634,773.53x = 876,002.76 × 348,293.39
  4. Step 4: Simplify right side
    634,773.53x = 305,105,966,549.74
  5. Step 5: Solve for x
    x = 305,105,966,549.74/634,773.53
  6. Step 6: Final answer
    x = 480,653.26

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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.