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Finding the Fourth Proportional to 607,728.84, 909,280.30 and 366,956.52

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Solution

The fourth proportional to 607,728.84, 909,280.30 and 366,956.52 is: 549,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,728.84 : 909,280.30 = 366,956.52 : x
  2. Step 2: Convert to fraction form
    607,728.84/909,280.30 = 366,956.52/x
  3. Step 3: Cross multiply
    607,728.84x = 909,280.30 × 366,956.52
  4. Step 4: Simplify right side
    607,728.84x = 333,666,334,592.56
  5. Step 5: Solve for x
    x = 333,666,334,592.56/607,728.84
  6. Step 6: Final answer
    x = 549,038.18

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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.