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Finding the Fourth Proportional to 506,333.55, 759,053.34 and 191,011.89

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Solution

The fourth proportional to 506,333.55, 759,053.34 and 191,011.89 is: 286,349.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,333.55 : 759,053.34 = 191,011.89 : x
  2. Step 2: Convert to fraction form
    506,333.55/759,053.34 = 191,011.89/x
  3. Step 3: Cross multiply
    506,333.55x = 759,053.34 × 191,011.89
  4. Step 4: Simplify right side
    506,333.55x = 144,988,213,084.21
  5. Step 5: Solve for x
    x = 144,988,213,084.21/506,333.55
  6. Step 6: Final answer
    x = 286,349.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.