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Finding the Fourth Proportional to 1,788,602.60, 2,468,303.33 and 972,824.06

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Solution

The fourth proportional to 1,788,602.60, 2,468,303.33 and 972,824.06 is: 1,342,514.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,602.60 : 2,468,303.33 = 972,824.06 : x
  2. Step 2: Convert to fraction form
    1,788,602.60/2,468,303.33 = 972,824.06/x
  3. Step 3: Cross multiply
    1,788,602.60x = 2,468,303.33 × 972,824.06
  4. Step 4: Simplify right side
    1,788,602.60x = 2,401,224,849,596.48
  5. Step 5: Solve for x
    x = 2,401,224,849,596.48/1,788,602.60
  6. Step 6: Final answer
    x = 1,342,514.46

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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.