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Finding the Fourth Proportional to 528,082.95, 792,124.43 and 470,022.15

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Solution

The fourth proportional to 528,082.95, 792,124.43 and 470,022.15 is: 705,033.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,082.95 : 792,124.43 = 470,022.15 : x
  2. Step 2: Convert to fraction form
    528,082.95/792,124.43 = 470,022.15/x
  3. Step 3: Cross multiply
    528,082.95x = 792,124.43 × 470,022.15
  4. Step 4: Simplify right side
    528,082.95x = 372,316,025,306.01
  5. Step 5: Solve for x
    x = 372,316,025,306.01/528,082.95
  6. Step 6: Final answer
    x = 705,033.23

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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.