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Finding the Fourth Proportional to 651,777.20, 976,888.20 and 584,903.60

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Solution

The fourth proportional to 651,777.20, 976,888.20 and 584,903.60 is: 876,657.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,777.20 : 976,888.20 = 584,903.60 : x
  2. Step 2: Convert to fraction form
    651,777.20/976,888.20 = 584,903.60/x
  3. Step 3: Cross multiply
    651,777.20x = 976,888.20 × 584,903.60
  4. Step 4: Simplify right side
    651,777.20x = 571,385,424,977.52
  5. Step 5: Solve for x
    x = 571,385,424,977.52/651,777.20
  6. Step 6: Final answer
    x = 876,657.58

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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.