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Finding the Fourth Proportional to 475,602.15, 656,330.81 and 260,737.60

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Solution

The fourth proportional to 475,602.15, 656,330.81 and 260,737.60 is: 359,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,602.15 : 656,330.81 = 260,737.60 : x
  2. Step 2: Convert to fraction form
    475,602.15/656,330.81 = 260,737.60/x
  3. Step 3: Cross multiply
    475,602.15x = 656,330.81 × 260,737.60
  4. Step 4: Simplify right side
    475,602.15x = 171,130,120,205.46
  5. Step 5: Solve for x
    x = 171,130,120,205.46/475,602.15
  6. Step 6: Final answer
    x = 359,817.80

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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.