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Finding the Fourth Proportional to 1,575,358, 2,173,994.04 and 859,966

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Solution

The fourth proportional to 1,575,358, 2,173,994.04 and 859,966 is: 1,186,753.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,358 : 2,173,994.04 = 859,966 : x
  2. Step 2: Convert to fraction form
    1,575,358/2,173,994.04 = 859,966/x
  3. Step 3: Cross multiply
    1,575,358x = 2,173,994.04 × 859,966
  4. Step 4: Simplify right side
    1,575,358x = 1,869,560,958,602.64
  5. Step 5: Solve for x
    x = 1,869,560,958,602.64/1,575,358
  6. Step 6: Final answer
    x = 1,186,753.08

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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.