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Finding the Fourth Proportional to 533,570.61, 736,287.53 and 291,840.69

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Solution

The fourth proportional to 533,570.61, 736,287.53 and 291,840.69 is: 402,718.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,570.61 : 736,287.53 = 291,840.69 : x
  2. Step 2: Convert to fraction form
    533,570.61/736,287.53 = 291,840.69/x
  3. Step 3: Cross multiply
    533,570.61x = 736,287.53 × 291,840.69
  4. Step 4: Simplify right side
    533,570.61x = 214,878,659,334.39
  5. Step 5: Solve for x
    x = 214,878,659,334.39/533,570.61
  6. Step 6: Final answer
    x = 402,718.32

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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.