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Finding the Fourth Proportional to 528,039.30, 792,058.95 and 496,935.30

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Solution

The fourth proportional to 528,039.30, 792,058.95 and 496,935.30 is: 745,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,039.30 : 792,058.95 = 496,935.30 : x
  2. Step 2: Convert to fraction form
    528,039.30/792,058.95 = 496,935.30/x
  3. Step 3: Cross multiply
    528,039.30x = 792,058.95 × 496,935.30
  4. Step 4: Simplify right side
    528,039.30x = 393,602,051,935.94
  5. Step 5: Solve for x
    x = 393,602,051,935.94/528,039.30
  6. Step 6: Final answer
    x = 745,402.95

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Double scale
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Similar ratio
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1.5x scale

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.