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Finding the Fourth Proportional to 525,660.60, 788,685.30 and 506,220.60

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Solution

The fourth proportional to 525,660.60, 788,685.30 and 506,220.60 is: 759,518.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,660.60 : 788,685.30 = 506,220.60 : x
  2. Step 2: Convert to fraction form
    525,660.60/788,685.30 = 506,220.60/x
  3. Step 3: Cross multiply
    525,660.60x = 788,685.30 × 506,220.60
  4. Step 4: Simplify right side
    525,660.60x = 399,248,745,777.18
  5. Step 5: Solve for x
    x = 399,248,745,777.18/525,660.60
  6. Step 6: Final answer
    x = 759,518.11

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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.