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Finding the Fourth Proportional to 517,342.41, 776,130.35 and 157,545.45

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Solution

The fourth proportional to 517,342.41, 776,130.35 and 157,545.45 is: 236,353.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,342.41 : 776,130.35 = 157,545.45 : x
  2. Step 2: Convert to fraction form
    517,342.41/776,130.35 = 157,545.45/x
  3. Step 3: Cross multiply
    517,342.41x = 776,130.35 × 157,545.45
  4. Step 4: Simplify right side
    517,342.41x = 122,275,804,461.68
  5. Step 5: Solve for x
    x = 122,275,804,461.68/517,342.41
  6. Step 6: Final answer
    x = 236,353.72

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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.