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Finding the Fourth Proportional to 875,903.60, 1,208,749.56 and 473,495.60

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Solution

The fourth proportional to 875,903.60, 1,208,749.56 and 473,495.60 is: 653,425.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,903.60 : 1,208,749.56 = 473,495.60 : x
  2. Step 2: Convert to fraction form
    875,903.60/1,208,749.56 = 473,495.60/x
  3. Step 3: Cross multiply
    875,903.60x = 1,208,749.56 × 473,495.60
  4. Step 4: Simplify right side
    875,903.60x = 572,337,598,161.94
  5. Step 5: Solve for x
    x = 572,337,598,161.94/875,903.60
  6. Step 6: Final answer
    x = 653,425.33

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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.