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Finding the Fourth Proportional to 533,035.90, 735,518.46 and 342,307.64

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Solution

The fourth proportional to 533,035.90, 735,518.46 and 342,307.64 is: 472,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,035.90 : 735,518.46 = 342,307.64 : x
  2. Step 2: Convert to fraction form
    533,035.90/735,518.46 = 342,307.64/x
  3. Step 3: Cross multiply
    533,035.90x = 735,518.46 × 342,307.64
  4. Step 4: Simplify right side
    533,035.90x = 251,773,588,219.03
  5. Step 5: Solve for x
    x = 251,773,588,219.03/533,035.90
  6. Step 6: Final answer
    x = 472,338.90

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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.