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Finding the Fourth Proportional to 525,779.51, 724,725.73 and 410,858.47

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Solution

The fourth proportional to 525,779.51, 724,725.73 and 410,858.47 is: 566,320.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,779.51 : 724,725.73 = 410,858.47 : x
  2. Step 2: Convert to fraction form
    525,779.51/724,725.73 = 410,858.47/x
  3. Step 3: Cross multiply
    525,779.51x = 724,725.73 × 410,858.47
  4. Step 4: Simplify right side
    525,779.51x = 297,759,704,476.19
  5. Step 5: Solve for x
    x = 297,759,704,476.19/525,779.51
  6. Step 6: Final answer
    x = 566,320.48

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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.