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Finding the Fourth Proportional to 506,328.28, 759,567.93 and 186,455.55

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Solution

The fourth proportional to 506,328.28, 759,567.93 and 186,455.55 is: 279,711.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,328.28 : 759,567.93 = 186,455.55 : x
  2. Step 2: Convert to fraction form
    506,328.28/759,567.93 = 186,455.55/x
  3. Step 3: Cross multiply
    506,328.28x = 759,567.93 × 186,455.55
  4. Step 4: Simplify right side
    506,328.28x = 141,625,656,150.51
  5. Step 5: Solve for x
    x = 141,625,656,150.51/506,328.28
  6. Step 6: Final answer
    x = 279,711.13

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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.