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Finding the Fourth Proportional to 648,798.21, 895,368.74 and 373,156.14

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Solution

The fourth proportional to 648,798.21, 895,368.74 and 373,156.14 is: 514,971.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,798.21 : 895,368.74 = 373,156.14 : x
  2. Step 2: Convert to fraction form
    648,798.21/895,368.74 = 373,156.14/x
  3. Step 3: Cross multiply
    648,798.21x = 895,368.74 × 373,156.14
  4. Step 4: Simplify right side
    648,798.21x = 334,112,341,029.28
  5. Step 5: Solve for x
    x = 334,112,341,029.28/648,798.21
  6. Step 6: Final answer
    x = 514,971.12

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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.