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Finding the Fourth Proportional to 895,482.10, 1,343,223.15 and 842,950.90

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Solution

The fourth proportional to 895,482.10, 1,343,223.15 and 842,950.90 is: 1,264,426.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,482.10 : 1,343,223.15 = 842,950.90 : x
  2. Step 2: Convert to fraction form
    895,482.10/1,343,223.15 = 842,950.90/x
  3. Step 3: Cross multiply
    895,482.10x = 1,343,223.15 × 842,950.90
  4. Step 4: Simplify right side
    895,482.10x = 1,132,271,163,193.34
  5. Step 5: Solve for x
    x = 1,132,271,163,193.34/895,482.10
  6. Step 6: Final answer
    x = 1,264,426.35

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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.