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Finding the Fourth Proportional to 611,424.80, 917,266.80 and 184,925.60

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Solution

The fourth proportional to 611,424.80, 917,266.80 and 184,925.60 is: 277,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,424.80 : 917,266.80 = 184,925.60 : x
  2. Step 2: Convert to fraction form
    611,424.80/917,266.80 = 184,925.60/x
  3. Step 3: Cross multiply
    611,424.80x = 917,266.80 × 184,925.60
  4. Step 4: Simplify right side
    611,424.80x = 169,626,113,350.08
  5. Step 5: Solve for x
    x = 169,626,113,350.08/611,424.80
  6. Step 6: Final answer
    x = 277,427.60

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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.