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Finding the Fourth Proportional to 875,548.40, 1,208,254.20 and 473,140.40

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Solution

The fourth proportional to 875,548.40, 1,208,254.20 and 473,140.40 is: 652,932.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,548.40 : 1,208,254.20 = 473,140.40 : x
  2. Step 2: Convert to fraction form
    875,548.40/1,208,254.20 = 473,140.40/x
  3. Step 3: Cross multiply
    875,548.40x = 1,208,254.20 × 473,140.40
  4. Step 4: Simplify right side
    875,548.40x = 571,673,875,489.68
  5. Step 5: Solve for x
    x = 571,673,875,489.68/875,548.40
  6. Step 6: Final answer
    x = 652,932.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.