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Finding the Fourth Proportional to 973,859.40, 1,462,538.70 and 707,920.20

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Solution

The fourth proportional to 973,859.40, 1,462,538.70 and 707,920.20 is: 1,063,152.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,859.40 : 1,462,538.70 = 707,920.20 : x
  2. Step 2: Convert to fraction form
    973,859.40/1,462,538.70 = 707,920.20/x
  3. Step 3: Cross multiply
    973,859.40x = 1,462,538.70 × 707,920.20
  4. Step 4: Simplify right side
    973,859.40x = 1,035,360,689,011.74
  5. Step 5: Solve for x
    x = 1,035,360,689,011.74/973,859.40
  6. Step 6: Final answer
    x = 1,063,152.12

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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.