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Finding the Fourth Proportional to 350,085.60, 525,128.40 and 97,365.60

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Solution

The fourth proportional to 350,085.60, 525,128.40 and 97,365.60 is: 146,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,085.60 : 525,128.40 = 97,365.60 : x
  2. Step 2: Convert to fraction form
    350,085.60/525,128.40 = 97,365.60/x
  3. Step 3: Cross multiply
    350,085.60x = 525,128.40 × 97,365.60
  4. Step 4: Simplify right side
    350,085.60x = 51,129,441,743.04
  5. Step 5: Solve for x
    x = 51,129,441,743.04/350,085.60
  6. Step 6: Final answer
    x = 146,048.40

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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.