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Finding the Fourth Proportional to 556,156.36, 767,088.12 and 365,100.04

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Solution

The fourth proportional to 556,156.36, 767,088.12 and 365,100.04 is: 503,570.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,156.36 : 767,088.12 = 365,100.04 : x
  2. Step 2: Convert to fraction form
    556,156.36/767,088.12 = 365,100.04/x
  3. Step 3: Cross multiply
    556,156.36x = 767,088.12 × 365,100.04
  4. Step 4: Simplify right side
    556,156.36x = 280,063,903,295.53
  5. Step 5: Solve for x
    x = 280,063,903,295.53/556,156.36
  6. Step 6: Final answer
    x = 503,570.44

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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.