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Finding the Fourth Proportional to 613,254.60, 918,569.70 and 546,769.80

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Solution

The fourth proportional to 613,254.60, 918,569.70 and 546,769.80 is: 818,984.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,254.60 : 918,569.70 = 546,769.80 : x
  2. Step 2: Convert to fraction form
    613,254.60/918,569.70 = 546,769.80/x
  3. Step 3: Cross multiply
    613,254.60x = 918,569.70 × 546,769.80
  4. Step 4: Simplify right side
    613,254.60x = 502,246,171,155.06
  5. Step 5: Solve for x
    x = 502,246,171,155.06/613,254.60
  6. Step 6: Final answer
    x = 818,984.76

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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.