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Finding the Fourth Proportional to 712,269.59, 983,025.99 and 406,275.89

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Solution

The fourth proportional to 712,269.59, 983,025.99 and 406,275.89 is: 560,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,269.59 : 983,025.99 = 406,275.89 : x
  2. Step 2: Convert to fraction form
    712,269.59/983,025.99 = 406,275.89/x
  3. Step 3: Cross multiply
    712,269.59x = 983,025.99 × 406,275.89
  4. Step 4: Simplify right side
    712,269.59x = 399,379,754,065.25
  5. Step 5: Solve for x
    x = 399,379,754,065.25/712,269.59
  6. Step 6: Final answer
    x = 560,714.32

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1.5x scale

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.