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Finding the Fourth Proportional to 533,345.61, 736,009.74 and 303,916.46

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Solution

The fourth proportional to 533,345.61, 736,009.74 and 303,916.46 is: 419,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,345.61 : 736,009.74 = 303,916.46 : x
  2. Step 2: Convert to fraction form
    533,345.61/736,009.74 = 303,916.46/x
  3. Step 3: Cross multiply
    533,345.61x = 736,009.74 × 303,916.46
  4. Step 4: Simplify right side
    533,345.61x = 223,685,471,026.27
  5. Step 5: Solve for x
    x = 223,685,471,026.27/533,345.61
  6. Step 6: Final answer
    x = 419,400.60

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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.