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Finding the Fourth Proportional to 533,416.46, 736,114.68 and 291,699.18

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Solution

The fourth proportional to 533,416.46, 736,114.68 and 291,699.18 is: 402,544.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,416.46 : 736,114.68 = 291,699.18 : x
  2. Step 2: Convert to fraction form
    533,416.46/736,114.68 = 291,699.18/x
  3. Step 3: Cross multiply
    533,416.46x = 736,114.68 × 291,699.18
  4. Step 4: Simplify right side
    533,416.46x = 214,724,048,541.96
  5. Step 5: Solve for x
    x = 214,724,048,541.96/533,416.46
  6. Step 6: Final answer
    x = 402,544.85

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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.