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Finding the Fourth Proportional to 683,346, 943,075.83 and 381,598.32

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Solution

The fourth proportional to 683,346, 943,075.83 and 381,598.32 is: 526,638.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,346 : 943,075.83 = 381,598.32 : x
  2. Step 2: Convert to fraction form
    683,346/943,075.83 = 381,598.32/x
  3. Step 3: Cross multiply
    683,346x = 943,075.83 × 381,598.32
  4. Step 4: Simplify right side
    683,346x = 359,876,152,360.61
  5. Step 5: Solve for x
    x = 359,876,152,360.61/683,346
  6. Step 6: Final answer
    x = 526,638.27

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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.