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Finding the Fourth Proportional to 942,068.40, 1,411,547.40 and 802,100.40

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Solution

The fourth proportional to 942,068.40, 1,411,547.40 and 802,100.40 is: 1,201,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,068.40 : 1,411,547.40 = 802,100.40 : x
  2. Step 2: Convert to fraction form
    942,068.40/1,411,547.40 = 802,100.40/x
  3. Step 3: Cross multiply
    942,068.40x = 1,411,547.40 × 802,100.40
  4. Step 4: Simplify right side
    942,068.40x = 1,132,202,734,158.96
  5. Step 5: Solve for x
    x = 1,132,202,734,158.96/942,068.40
  6. Step 6: Final answer
    x = 1,201,826.46

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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.