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Finding the Fourth Proportional to 359,586.74, 536,432.85 and 349,812.90

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Solution

The fourth proportional to 359,586.74, 536,432.85 and 349,812.90 is: 521,852.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,586.74 : 536,432.85 = 349,812.90 : x
  2. Step 2: Convert to fraction form
    359,586.74/536,432.85 = 349,812.90/x
  3. Step 3: Cross multiply
    359,586.74x = 536,432.85 × 349,812.90
  4. Step 4: Simplify right side
    359,586.74x = 187,651,130,913.77
  5. Step 5: Solve for x
    x = 187,651,130,913.77/359,586.74
  6. Step 6: Final answer
    x = 521,852.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.