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Finding the Fourth Proportional to 973,903.80, 1,460,855.70 and 637,980.60

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Solution

The fourth proportional to 973,903.80, 1,460,855.70 and 637,980.60 is: 956,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,903.80 : 1,460,855.70 = 637,980.60 : x
  2. Step 2: Convert to fraction form
    973,903.80/1,460,855.70 = 637,980.60/x
  3. Step 3: Cross multiply
    973,903.80x = 1,460,855.70 × 637,980.60
  4. Step 4: Simplify right side
    973,903.80x = 931,997,595,999.42
  5. Step 5: Solve for x
    x = 931,997,595,999.42/973,903.80
  6. Step 6: Final answer
    x = 956,970.90

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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.