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Finding the Fourth Proportional to 563,975.51, 778,472.31 and 504,188.40

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Solution

The fourth proportional to 563,975.51, 778,472.31 and 504,188.40 is: 695,946.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,975.51 : 778,472.31 = 504,188.40 : x
  2. Step 2: Convert to fraction form
    563,975.51/778,472.31 = 504,188.40/x
  3. Step 3: Cross multiply
    563,975.51x = 778,472.31 × 504,188.40
  4. Step 4: Simplify right side
    563,975.51x = 392,496,708,423.20
  5. Step 5: Solve for x
    x = 392,496,708,423.20/563,975.51
  6. Step 6: Final answer
    x = 695,946.37

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.