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Finding the Fourth Proportional to 1,698,473, 2,343,957.28 and 973,460.64

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Solution

The fourth proportional to 1,698,473, 2,343,957.28 and 973,460.64 is: 1,343,412.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698,473 : 2,343,957.28 = 973,460.64 : x
  2. Step 2: Convert to fraction form
    1,698,473/2,343,957.28 = 973,460.64/x
  3. Step 3: Cross multiply
    1,698,473x = 2,343,957.28 × 973,460.64
  4. Step 4: Simplify right side
    1,698,473x = 2,281,750,153,921.46
  5. Step 5: Solve for x
    x = 2,281,750,153,921.46/1,698,473
  6. Step 6: Final answer
    x = 1,343,412.67

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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.