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Finding the Fourth Proportional to 572,259.86, 789,535.95 and 330,510.50

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Solution

The fourth proportional to 572,259.86, 789,535.95 and 330,510.50 is: 455,999.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,259.86 : 789,535.95 = 330,510.50 : x
  2. Step 2: Convert to fraction form
    572,259.86/789,535.95 = 330,510.50/x
  3. Step 3: Cross multiply
    572,259.86x = 789,535.95 × 330,510.50
  4. Step 4: Simplify right side
    572,259.86x = 260,949,921,602.48
  5. Step 5: Solve for x
    x = 260,949,921,602.48/572,259.86
  6. Step 6: Final answer
    x = 455,999.00

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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.