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Finding the Fourth Proportional to 533,520.64, 736,230.96 and 291,756.16

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Solution

The fourth proportional to 533,520.64, 736,230.96 and 291,756.16 is: 402,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,520.64 : 736,230.96 = 291,756.16 : x
  2. Step 2: Convert to fraction form
    533,520.64/736,230.96 = 291,756.16/x
  3. Step 3: Cross multiply
    533,520.64x = 736,230.96 × 291,756.16
  4. Step 4: Simplify right side
    533,520.64x = 214,799,917,762.71
  5. Step 5: Solve for x
    x = 214,799,917,762.71/533,520.64
  6. Step 6: Final answer
    x = 402,608.45

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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.