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Finding the Fourth Proportional to 1,169,064, 1,613,308.32 and 632,520

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Solution

The fourth proportional to 1,169,064, 1,613,308.32 and 632,520 is: 872,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,064 : 1,613,308.32 = 632,520 : x
  2. Step 2: Convert to fraction form
    1,169,064/1,613,308.32 = 632,520/x
  3. Step 3: Cross multiply
    1,169,064x = 1,613,308.32 × 632,520
  4. Step 4: Simplify right side
    1,169,064x = 1,020,449,778,566.40
  5. Step 5: Solve for x
    x = 1,020,449,778,566.40/1,169,064
  6. Step 6: Final answer
    x = 872,877.60

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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.