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Finding the Fourth Proportional to 292,828,762.40, 404,104,459.47 and 158,866,671.68

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Solution

The fourth proportional to 292,828,762.40, 404,104,459.47 and 158,866,671.68 is: 219,236,423.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,828,762.40 : 404,104,459.47 = 158,866,671.68 : x
  2. Step 2: Convert to fraction form
    292,828,762.40/404,104,459.47 = 158,866,671.68/x
  3. Step 3: Cross multiply
    292,828,762.40x = 404,104,459.47 × 158,866,671.68
  4. Step 4: Simplify right side
    292,828,762.40x = 64,198,730,485,948,240
  5. Step 5: Solve for x
    x = 64,198,730,485,948,240/292,828,762.40
  6. Step 6: Final answer
    x = 219,236,423.23

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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.