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Finding the Fourth Proportional to 459,075.52, 633,523.20 and 255,125.76

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Solution

The fourth proportional to 459,075.52, 633,523.20 and 255,125.76 is: 352,072.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,075.52 : 633,523.20 = 255,125.76 : x
  2. Step 2: Convert to fraction form
    459,075.52/633,523.20 = 255,125.76/x
  3. Step 3: Cross multiply
    459,075.52x = 633,523.20 × 255,125.76
  4. Step 4: Simplify right side
    459,075.52x = 161,628,087,877.63
  5. Step 5: Solve for x
    x = 161,628,087,877.63/459,075.52
  6. Step 6: Final answer
    x = 352,072.98

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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.