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Finding the Fourth Proportional to 545,477.36, 752,744.76 and 529,381.04

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Solution

The fourth proportional to 545,477.36, 752,744.76 and 529,381.04 is: 730,532.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,477.36 : 752,744.76 = 529,381.04 : x
  2. Step 2: Convert to fraction form
    545,477.36/752,744.76 = 529,381.04/x
  3. Step 3: Cross multiply
    545,477.36x = 752,744.76 × 529,381.04
  4. Step 4: Simplify right side
    545,477.36x = 398,488,803,903.35
  5. Step 5: Solve for x
    x = 398,488,803,903.35/545,477.36
  6. Step 6: Final answer
    x = 730,532.25

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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.