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Finding the Fourth Proportional to 359,295.17, 537,325.05 and 319,547.81

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Solution

The fourth proportional to 359,295.17, 537,325.05 and 319,547.81 is: 477,882.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,295.17 : 537,325.05 = 319,547.81 : x
  2. Step 2: Convert to fraction form
    359,295.17/537,325.05 = 319,547.81/x
  3. Step 3: Cross multiply
    359,295.17x = 537,325.05 × 319,547.81
  4. Step 4: Simplify right side
    359,295.17x = 171,701,040,707.35
  5. Step 5: Solve for x
    x = 171,701,040,707.35/359,295.17
  6. Step 6: Final answer
    x = 477,882.97

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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.