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Finding the Fourth Proportional to 507,526.04, 700,415.28 and 278,083.76

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Solution

The fourth proportional to 507,526.04, 700,415.28 and 278,083.76 is: 383,771.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,526.04 : 700,415.28 = 278,083.76 : x
  2. Step 2: Convert to fraction form
    507,526.04/700,415.28 = 278,083.76/x
  3. Step 3: Cross multiply
    507,526.04x = 700,415.28 × 278,083.76
  4. Step 4: Simplify right side
    507,526.04x = 194,774,114,623.85
  5. Step 5: Solve for x
    x = 194,774,114,623.85/507,526.04
  6. Step 6: Final answer
    x = 383,771.67

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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.