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Finding the Fourth Proportional to 573,365.92, 791,130 and 347,026.72

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Solution

The fourth proportional to 573,365.92, 791,130 and 347,026.72 is: 478,827.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,365.92 : 791,130 = 347,026.72 : x
  2. Step 2: Convert to fraction form
    573,365.92/791,130 = 347,026.72/x
  3. Step 3: Cross multiply
    573,365.92x = 791,130 × 347,026.72
  4. Step 4: Simplify right side
    573,365.92x = 274,543,248,993.60
  5. Step 5: Solve for x
    x = 274,543,248,993.60/573,365.92
  6. Step 6: Final answer
    x = 478,827.29

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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.