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Finding the Fourth Proportional to 528,038.70, 792,058.05 and 496,934.70

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Solution

The fourth proportional to 528,038.70, 792,058.05 and 496,934.70 is: 745,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,038.70 : 792,058.05 = 496,934.70 : x
  2. Step 2: Convert to fraction form
    528,038.70/792,058.05 = 496,934.70/x
  3. Step 3: Cross multiply
    528,038.70x = 792,058.05 × 496,934.70
  4. Step 4: Simplify right side
    528,038.70x = 393,601,129,459.34
  5. Step 5: Solve for x
    x = 393,601,129,459.34/528,038.70
  6. Step 6: Final answer
    x = 745,402.05

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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.