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Finding the Fourth Proportional to 875,460, 1,208,134.80 and 473,052

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Solution

The fourth proportional to 875,460, 1,208,134.80 and 473,052 is: 652,811.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,460 : 1,208,134.80 = 473,052 : x
  2. Step 2: Convert to fraction form
    875,460/1,208,134.80 = 473,052/x
  3. Step 3: Cross multiply
    875,460x = 1,208,134.80 × 473,052
  4. Step 4: Simplify right side
    875,460x = 571,510,583,409.60
  5. Step 5: Solve for x
    x = 571,510,583,409.60/875,460
  6. Step 6: Final answer
    x = 652,811.76

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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.