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Finding the Fourth Proportional to 384,271.20, 577,667.64 and 356,526.24

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Solution

The fourth proportional to 384,271.20, 577,667.64 and 356,526.24 is: 535,959.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,271.20 : 577,667.64 = 356,526.24 : x
  2. Step 2: Convert to fraction form
    384,271.20/577,667.64 = 356,526.24/x
  3. Step 3: Cross multiply
    384,271.20x = 577,667.64 × 356,526.24
  4. Step 4: Simplify right side
    384,271.20x = 205,953,671,658.87
  5. Step 5: Solve for x
    x = 205,953,671,658.87/384,271.20
  6. Step 6: Final answer
    x = 535,959.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.