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Finding the Fourth Proportional to 547,809.51, 755,975.54 and 302,792.63

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Solution

The fourth proportional to 547,809.51, 755,975.54 and 302,792.63 is: 417,852.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,809.51 : 755,975.54 = 302,792.63 : x
  2. Step 2: Convert to fraction form
    547,809.51/755,975.54 = 302,792.63/x
  3. Step 3: Cross multiply
    547,809.51x = 755,975.54 × 302,792.63
  4. Step 4: Simplify right side
    547,809.51x = 228,903,820,458.31
  5. Step 5: Solve for x
    x = 228,903,820,458.31/547,809.51
  6. Step 6: Final answer
    x = 417,852.95

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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.