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Finding the Fourth Proportional to 556,165.36, 767,100.52 and 365,109.04

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Solution

The fourth proportional to 556,165.36, 767,100.52 and 365,109.04 is: 503,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,165.36 : 767,100.52 = 365,109.04 : x
  2. Step 2: Convert to fraction form
    556,165.36/767,100.52 = 365,109.04/x
  3. Step 3: Cross multiply
    556,165.36x = 767,100.52 × 365,109.04
  4. Step 4: Simplify right side
    556,165.36x = 280,075,334,440.70
  5. Step 5: Solve for x
    x = 280,075,334,440.70/556,165.36
  6. Step 6: Final answer
    x = 503,582.85

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1.5x scale

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.