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Finding the Fourth Proportional to 997,075.72, 1,495,810.80 and 365,995

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Solution

The fourth proportional to 997,075.72, 1,495,810.80 and 365,995 is: 549,064.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,075.72 : 1,495,810.80 = 365,995 : x
  2. Step 2: Convert to fraction form
    997,075.72/1,495,810.80 = 365,995/x
  3. Step 3: Cross multiply
    997,075.72x = 1,495,810.80 × 365,995
  4. Step 4: Simplify right side
    997,075.72x = 547,459,273,746
  5. Step 5: Solve for x
    x = 547,459,273,746/997,075.72
  6. Step 6: Final answer
    x = 549,064.89

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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.