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Finding the Fourth Proportional to 742,017.30, 1,041,973.50 and 742,017.30

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Solution

The fourth proportional to 742,017.30, 1,041,973.50 and 742,017.30 is: 1,041,973.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,017.30 : 1,041,973.50 = 742,017.30 : x
  2. Step 2: Convert to fraction form
    742,017.30/1,041,973.50 = 742,017.30/x
  3. Step 3: Cross multiply
    742,017.30x = 1,041,973.50 × 742,017.30
  4. Step 4: Simplify right side
    742,017.30x = 773,162,363,141.55
  5. Step 5: Solve for x
    x = 773,162,363,141.55/742,017.30
  6. Step 6: Final answer
    x = 1,041,973.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.