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Finding the Fourth Proportional to 525,095.60, 788,226.60 and 325,641.20

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Solution

The fourth proportional to 525,095.60, 788,226.60 and 325,641.20 is: 488,823.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,095.60 : 788,226.60 = 325,641.20 : x
  2. Step 2: Convert to fraction form
    525,095.60/788,226.60 = 325,641.20/x
  3. Step 3: Cross multiply
    525,095.60x = 788,226.60 × 325,641.20
  4. Step 4: Simplify right side
    525,095.60x = 256,679,055,895.92
  5. Step 5: Solve for x
    x = 256,679,055,895.92/525,095.60
  6. Step 6: Final answer
    x = 488,823.47

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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.