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Finding the Fourth Proportional to 525,101.60, 788,041.20 and 347,549.60

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Solution

The fourth proportional to 525,101.60, 788,041.20 and 347,549.60 is: 521,581.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,101.60 : 788,041.20 = 347,549.60 : x
  2. Step 2: Convert to fraction form
    525,101.60/788,041.20 = 347,549.60/x
  3. Step 3: Cross multiply
    525,101.60x = 788,041.20 × 347,549.60
  4. Step 4: Simplify right side
    525,101.60x = 273,883,403,843.52
  5. Step 5: Solve for x
    x = 273,883,403,843.52/525,101.60
  6. Step 6: Final answer
    x = 521,581.74

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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.