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Finding the Fourth Proportional to 368,959.92, 553,384.80 and 102,692.67

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Solution

The fourth proportional to 368,959.92, 553,384.80 and 102,692.67 is: 154,023.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,959.92 : 553,384.80 = 102,692.67 : x
  2. Step 2: Convert to fraction form
    368,959.92/553,384.80 = 102,692.67/x
  3. Step 3: Cross multiply
    368,959.92x = 553,384.80 × 102,692.67
  4. Step 4: Simplify right side
    368,959.92x = 56,828,562,649.42
  5. Step 5: Solve for x
    x = 56,828,562,649.42/368,959.92
  6. Step 6: Final answer
    x = 154,023.67

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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.