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Finding the Fourth Proportional to 545,572.06, 752,888.95 and 316,262.37

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Solution

The fourth proportional to 545,572.06, 752,888.95 and 316,262.37 is: 436,441.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,572.06 : 752,888.95 = 316,262.37 : x
  2. Step 2: Convert to fraction form
    545,572.06/752,888.95 = 316,262.37/x
  3. Step 3: Cross multiply
    545,572.06x = 752,888.95 × 316,262.37
  4. Step 4: Simplify right side
    545,572.06x = 238,110,446,595.98
  5. Step 5: Solve for x
    x = 238,110,446,595.98/545,572.06
  6. Step 6: Final answer
    x = 436,441.79

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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.