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Finding the Fourth Proportional to 533,756.16, 736,463.07 and 318,854.25

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Solution

The fourth proportional to 533,756.16, 736,463.07 and 318,854.25 is: 439,946.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,756.16 : 736,463.07 = 318,854.25 : x
  2. Step 2: Convert to fraction form
    533,756.16/736,463.07 = 318,854.25/x
  3. Step 3: Cross multiply
    533,756.16x = 736,463.07 × 318,854.25
  4. Step 4: Simplify right side
    533,756.16x = 234,824,379,837.55
  5. Step 5: Solve for x
    x = 234,824,379,837.55/533,756.16
  6. Step 6: Final answer
    x = 439,946.92

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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.