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Finding the Fourth Proportional to 401,627.18, 602,430.84 and 98,023.59

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Solution

The fourth proportional to 401,627.18, 602,430.84 and 98,023.59 is: 147,032.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,627.18 : 602,430.84 = 98,023.59 : x
  2. Step 2: Convert to fraction form
    401,627.18/602,430.84 = 98,023.59/x
  3. Step 3: Cross multiply
    401,627.18x = 602,430.84 × 98,023.59
  4. Step 4: Simplify right side
    401,627.18x = 59,052,433,663.52
  5. Step 5: Solve for x
    x = 59,052,433,663.52/401,627.18
  6. Step 6: Final answer
    x = 147,032.96

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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.