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Finding the Fourth Proportional to 954,853, 1,317,730.26 and 525,165.64

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Solution

The fourth proportional to 954,853, 1,317,730.26 and 525,165.64 is: 724,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,853 : 1,317,730.26 = 525,165.64 : x
  2. Step 2: Convert to fraction form
    954,853/1,317,730.26 = 525,165.64/x
  3. Step 3: Cross multiply
    954,853x = 1,317,730.26 × 525,165.64
  4. Step 4: Simplify right side
    954,853x = 692,026,655,340.27
  5. Step 5: Solve for x
    x = 692,026,655,340.27/954,853
  6. Step 6: Final answer
    x = 724,746.80

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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.