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Finding the Fourth Proportional to 875,461, 1,208,136.18 and 473,053

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Solution

The fourth proportional to 875,461, 1,208,136.18 and 473,053 is: 652,813.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,461 : 1,208,136.18 = 473,053 : x
  2. Step 2: Convert to fraction form
    875,461/1,208,136.18 = 473,053/x
  3. Step 3: Cross multiply
    875,461x = 1,208,136.18 × 473,053
  4. Step 4: Simplify right side
    875,461x = 571,512,444,357.54
  5. Step 5: Solve for x
    x = 571,512,444,357.54/875,461
  6. Step 6: Final answer
    x = 652,813.14

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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.