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Finding the Fourth Proportional to 875,842.42, 1,208,661.96 and 473,434.42

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Solution

The fourth proportional to 875,842.42, 1,208,661.96 and 473,434.42 is: 653,339.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,842.42 : 1,208,661.96 = 473,434.42 : x
  2. Step 2: Convert to fraction form
    875,842.42/1,208,661.96 = 473,434.42/x
  3. Step 3: Cross multiply
    875,842.42x = 1,208,661.96 × 473,434.42
  4. Step 4: Simplify right side
    875,842.42x = 572,222,174,008.66
  5. Step 5: Solve for x
    x = 572,222,174,008.66/875,842.42
  6. Step 6: Final answer
    x = 653,339.19

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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.