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Finding the Fourth Proportional to 671,055.61, 926,028.87 and 365,133.19

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Solution

The fourth proportional to 671,055.61, 926,028.87 and 365,133.19 is: 503,868.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,055.61 : 926,028.87 = 365,133.19 : x
  2. Step 2: Convert to fraction form
    671,055.61/926,028.87 = 365,133.19/x
  3. Step 3: Cross multiply
    671,055.61x = 926,028.87 × 365,133.19
  4. Step 4: Simplify right side
    671,055.61x = 338,123,875,335.20
  5. Step 5: Solve for x
    x = 338,123,875,335.20/671,055.61
  6. Step 6: Final answer
    x = 503,868.64

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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.