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Finding the Fourth Proportional to 528,544.98, 729,392.52 and 286,827.54

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Solution

The fourth proportional to 528,544.98, 729,392.52 and 286,827.54 is: 395,822.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,544.98 : 729,392.52 = 286,827.54 : x
  2. Step 2: Convert to fraction form
    528,544.98/729,392.52 = 286,827.54/x
  3. Step 3: Cross multiply
    528,544.98x = 729,392.52 × 286,827.54
  4. Step 4: Simplify right side
    528,544.98x = 209,209,862,206.00
  5. Step 5: Solve for x
    x = 209,209,862,206.00/528,544.98
  6. Step 6: Final answer
    x = 395,822.25

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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.