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Finding the Fourth Proportional to 507,365.95, 700,126.47 and 281,006.59

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Solution

The fourth proportional to 507,365.95, 700,126.47 and 281,006.59 is: 387,767.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,365.95 : 700,126.47 = 281,006.59 : x
  2. Step 2: Convert to fraction form
    507,365.95/700,126.47 = 281,006.59/x
  3. Step 3: Cross multiply
    507,365.95x = 700,126.47 × 281,006.59
  4. Step 4: Simplify right side
    507,365.95x = 196,740,146,997.77
  5. Step 5: Solve for x
    x = 196,740,146,997.77/507,365.95
  6. Step 6: Final answer
    x = 387,767.74

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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.