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Finding the Fourth Proportional to 575,549.36, 863,176.78 and 170,646.89

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Solution

The fourth proportional to 575,549.36, 863,176.78 and 170,646.89 is: 255,926.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,549.36 : 863,176.78 = 170,646.89 : x
  2. Step 2: Convert to fraction form
    575,549.36/863,176.78 = 170,646.89/x
  3. Step 3: Cross multiply
    575,549.36x = 863,176.78 × 170,646.89
  4. Step 4: Simplify right side
    575,549.36x = 147,298,433,027.21
  5. Step 5: Solve for x
    x = 147,298,433,027.21/575,549.36
  6. Step 6: Final answer
    x = 255,926.67

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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.