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Finding the Fourth Proportional to 284,301.59, 392,171.70 and 183,699.59

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Solution

The fourth proportional to 284,301.59, 392,171.70 and 183,699.59 is: 253,399.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,301.59 : 392,171.70 = 183,699.59 : x
  2. Step 2: Convert to fraction form
    284,301.59/392,171.70 = 183,699.59/x
  3. Step 3: Cross multiply
    284,301.59x = 392,171.70 × 183,699.59
  4. Step 4: Simplify right side
    284,301.59x = 72,041,778,538.74
  5. Step 5: Solve for x
    x = 72,041,778,538.74/284,301.59
  6. Step 6: Final answer
    x = 253,399.14

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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.