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Finding the Fourth Proportional to 356,854.95, 535,283.37 and 120,363.57

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Solution

The fourth proportional to 356,854.95, 535,283.37 and 120,363.57 is: 180,545.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,854.95 : 535,283.37 = 120,363.57 : x
  2. Step 2: Convert to fraction form
    356,854.95/535,283.37 = 120,363.57/x
  3. Step 3: Cross multiply
    356,854.95x = 535,283.37 × 120,363.57
  4. Step 4: Simplify right side
    356,854.95x = 64,428,617,374.83
  5. Step 5: Solve for x
    x = 64,428,617,374.83/356,854.95
  6. Step 6: Final answer
    x = 180,545.67

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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.