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Finding the Fourth Proportional to 983,130, 1,356,697.08 and 547,544.40

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Solution

The fourth proportional to 983,130, 1,356,697.08 and 547,544.40 is: 755,598.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,130 : 1,356,697.08 = 547,544.40 : x
  2. Step 2: Convert to fraction form
    983,130/1,356,697.08 = 547,544.40/x
  3. Step 3: Cross multiply
    983,130x = 1,356,697.08 × 547,544.40
  4. Step 4: Simplify right side
    983,130x = 742,851,888,650.35
  5. Step 5: Solve for x
    x = 742,851,888,650.35/983,130
  6. Step 6: Final answer
    x = 755,598.84

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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.