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Finding the Fourth Proportional to 284,303.34, 392,361.66 and 163,483.92

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Solution

The fourth proportional to 284,303.34, 392,361.66 and 163,483.92 is: 225,621.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,303.34 : 392,361.66 = 163,483.92 : x
  2. Step 2: Convert to fraction form
    284,303.34/392,361.66 = 163,483.92/x
  3. Step 3: Cross multiply
    284,303.34x = 392,361.66 × 163,483.92
  4. Step 4: Simplify right side
    284,303.34x = 64,144,822,234.51
  5. Step 5: Solve for x
    x = 64,144,822,234.51/284,303.34
  6. Step 6: Final answer
    x = 225,621.06

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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.