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Finding the Fourth Proportional to 525,788.68, 788,346.12 and 222,100.32

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Solution

The fourth proportional to 525,788.68, 788,346.12 and 222,100.32 is: 333,008.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,788.68 : 788,346.12 = 222,100.32 : x
  2. Step 2: Convert to fraction form
    525,788.68/788,346.12 = 222,100.32/x
  3. Step 3: Cross multiply
    525,788.68x = 788,346.12 × 222,100.32
  4. Step 4: Simplify right side
    525,788.68x = 175,091,925,522.76
  5. Step 5: Solve for x
    x = 175,091,925,522.76/525,788.68
  6. Step 6: Final answer
    x = 333,008.17

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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.