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Finding the Fourth Proportional to 528,817.77, 729,045.51 and 363,240.71

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Solution

The fourth proportional to 528,817.77, 729,045.51 and 363,240.71 is: 500,775.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,817.77 : 729,045.51 = 363,240.71 : x
  2. Step 2: Convert to fraction form
    528,817.77/729,045.51 = 363,240.71/x
  3. Step 3: Cross multiply
    528,817.77x = 729,045.51 × 363,240.71
  4. Step 4: Simplify right side
    528,817.77x = 264,819,005,029.49
  5. Step 5: Solve for x
    x = 264,819,005,029.49/528,817.77
  6. Step 6: Final answer
    x = 500,775.54

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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.