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Finding the Fourth Proportional to 807,652.80, 1,114,545.60 and 468,152.64

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Solution

The fourth proportional to 807,652.80, 1,114,545.60 and 468,152.64 is: 646,041.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,652.80 : 1,114,545.60 = 468,152.64 : x
  2. Step 2: Convert to fraction form
    807,652.80/1,114,545.60 = 468,152.64/x
  3. Step 3: Cross multiply
    807,652.80x = 1,114,545.60 × 468,152.64
  4. Step 4: Simplify right side
    807,652.80x = 521,777,465,040.38
  5. Step 5: Solve for x
    x = 521,777,465,040.38/807,652.80
  6. Step 6: Final answer
    x = 646,041.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.