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Finding the Fourth Proportional to 595,816.40, 893,206.20 and 358,907.60

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Solution

The fourth proportional to 595,816.40, 893,206.20 and 358,907.60 is: 538,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,816.40 : 893,206.20 = 358,907.60 : x
  2. Step 2: Convert to fraction form
    595,816.40/893,206.20 = 358,907.60/x
  3. Step 3: Cross multiply
    595,816.40x = 893,206.20 × 358,907.60
  4. Step 4: Simplify right side
    595,816.40x = 320,578,493,547.12
  5. Step 5: Solve for x
    x = 320,578,493,547.12/595,816.40
  6. Step 6: Final answer
    x = 538,049.13

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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.