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Finding the Fourth Proportional to 364,417.70, 503,130.57 and 228,637.94

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Solution

The fourth proportional to 364,417.70, 503,130.57 and 228,637.94 is: 315,667.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,417.70 : 503,130.57 = 228,637.94 : x
  2. Step 2: Convert to fraction form
    364,417.70/503,130.57 = 228,637.94/x
  3. Step 3: Cross multiply
    364,417.70x = 503,130.57 × 228,637.94
  4. Step 4: Simplify right side
    364,417.70x = 115,034,737,075.83
  5. Step 5: Solve for x
    x = 115,034,737,075.83/364,417.70
  6. Step 6: Final answer
    x = 315,667.26

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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.