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Finding the Fourth Proportional to 328,875.58, 453,838.71 and 185,648.95

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Solution

The fourth proportional to 328,875.58, 453,838.71 and 185,648.95 is: 256,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,875.58 : 453,838.71 = 185,648.95 : x
  2. Step 2: Convert to fraction form
    328,875.58/453,838.71 = 185,648.95/x
  3. Step 3: Cross multiply
    328,875.58x = 453,838.71 × 185,648.95
  4. Step 4: Simplify right side
    328,875.58x = 84,254,679,980.85
  5. Step 5: Solve for x
    x = 84,254,679,980.85/328,875.58
  6. Step 6: Final answer
    x = 256,190.14

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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.