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Finding the Fourth Proportional to 578,465.55, 867,698.33 and 375,511.95

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Solution

The fourth proportional to 578,465.55, 867,698.33 and 375,511.95 is: 563,267.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,465.55 : 867,698.33 = 375,511.95 : x
  2. Step 2: Convert to fraction form
    578,465.55/867,698.33 = 375,511.95/x
  3. Step 3: Cross multiply
    578,465.55x = 867,698.33 × 375,511.95
  4. Step 4: Simplify right side
    578,465.55x = 325,831,090,032.48
  5. Step 5: Solve for x
    x = 325,831,090,032.48/578,465.55
  6. Step 6: Final answer
    x = 563,267.93

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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.