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Finding the Fourth Proportional to 506,315.37, 758,808.75 and 372,569.40

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Solution

The fourth proportional to 506,315.37, 758,808.75 and 372,569.40 is: 558,365.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,315.37 : 758,808.75 = 372,569.40 : x
  2. Step 2: Convert to fraction form
    506,315.37/758,808.75 = 372,569.40/x
  3. Step 3: Cross multiply
    506,315.37x = 758,808.75 × 372,569.40
  4. Step 4: Simplify right side
    506,315.37x = 282,708,920,702.25
  5. Step 5: Solve for x
    x = 282,708,920,702.25/506,315.37
  6. Step 6: Final answer
    x = 558,365.27

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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.