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Finding the Fourth Proportional to 1,828,335.40, 2,742,503.10 and 883,551.40

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Solution

The fourth proportional to 1,828,335.40, 2,742,503.10 and 883,551.40 is: 1,325,327.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828,335.40 : 2,742,503.10 = 883,551.40 : x
  2. Step 2: Convert to fraction form
    1,828,335.40/2,742,503.10 = 883,551.40/x
  3. Step 3: Cross multiply
    1,828,335.40x = 2,742,503.10 × 883,551.40
  4. Step 4: Simplify right side
    1,828,335.40x = 2,423,142,453,509.34
  5. Step 5: Solve for x
    x = 2,423,142,453,509.34/1,828,335.40
  6. Step 6: Final answer
    x = 1,325,327.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.