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Finding the Fourth Proportional to 525,851.80, 788,777.70 and 470,555.80

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Solution

The fourth proportional to 525,851.80, 788,777.70 and 470,555.80 is: 705,833.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,851.80 : 788,777.70 = 470,555.80 : x
  2. Step 2: Convert to fraction form
    525,851.80/788,777.70 = 470,555.80/x
  3. Step 3: Cross multiply
    525,851.80x = 788,777.70 × 470,555.80
  4. Step 4: Simplify right side
    525,851.80x = 371,163,921,645.66
  5. Step 5: Solve for x
    x = 371,163,921,645.66/525,851.80
  6. Step 6: Final answer
    x = 705,833.70

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Similar ratio
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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.