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Finding the Fourth Proportional to 566,159.02, 781,307.15 and 308,039.03

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Solution

The fourth proportional to 566,159.02, 781,307.15 and 308,039.03 is: 425,098.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,159.02 : 781,307.15 = 308,039.03 : x
  2. Step 2: Convert to fraction form
    566,159.02/781,307.15 = 308,039.03/x
  3. Step 3: Cross multiply
    566,159.02x = 781,307.15 × 308,039.03
  4. Step 4: Simplify right side
    566,159.02x = 240,673,096,618.07
  5. Step 5: Solve for x
    x = 240,673,096,618.07/566,159.02
  6. Step 6: Final answer
    x = 425,098.05

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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.