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Finding the Fourth Proportional to 563,048.88, 840,344.46 and 486,810.16

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Solution

The fourth proportional to 563,048.88, 840,344.46 and 486,810.16 is: 726,558.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,048.88 : 840,344.46 = 486,810.16 : x
  2. Step 2: Convert to fraction form
    563,048.88/840,344.46 = 486,810.16/x
  3. Step 3: Cross multiply
    563,048.88x = 840,344.46 × 486,810.16
  4. Step 4: Simplify right side
    563,048.88x = 409,088,221,027.71
  5. Step 5: Solve for x
    x = 409,088,221,027.71/563,048.88
  6. Step 6: Final answer
    x = 726,558.98

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.