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Finding the Fourth Proportional to 46,952,710.40, 70,429,065.60 and 30,828,396.80

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Solution

The fourth proportional to 46,952,710.40, 70,429,065.60 and 30,828,396.80 is: 46,242,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,952,710.40 : 70,429,065.60 = 30,828,396.80 : x
  2. Step 2: Convert to fraction form
    46,952,710.40/70,429,065.60 = 30,828,396.80/x
  3. Step 3: Cross multiply
    46,952,710.40x = 70,429,065.60 × 30,828,396.80
  4. Step 4: Simplify right side
    46,952,710.40x = 2,171,215,180,570,030
  5. Step 5: Solve for x
    x = 2,171,215,180,570,030/46,952,710.40
  6. Step 6: Final answer
    x = 46,242,595.20

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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.