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Finding the Fourth Proportional to 877,053, 1,210,333.14 and 474,645

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Solution

The fourth proportional to 877,053, 1,210,333.14 and 474,645 is: 655,010.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,053 : 1,210,333.14 = 474,645 : x
  2. Step 2: Convert to fraction form
    877,053/1,210,333.14 = 474,645/x
  3. Step 3: Cross multiply
    877,053x = 1,210,333.14 × 474,645
  4. Step 4: Simplify right side
    877,053x = 574,478,573,235.30
  5. Step 5: Solve for x
    x = 574,478,573,235.30/877,053
  6. Step 6: Final answer
    x = 655,010.10

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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.