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Finding the Fourth Proportional to 707,240.11, 975,312.96 and 475,191.83

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Solution

The fourth proportional to 707,240.11, 975,312.96 and 475,191.83 is: 655,308.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,240.11 : 975,312.96 = 475,191.83 : x
  2. Step 2: Convert to fraction form
    707,240.11/975,312.96 = 475,191.83/x
  3. Step 3: Cross multiply
    707,240.11x = 975,312.96 × 475,191.83
  4. Step 4: Simplify right side
    707,240.11x = 463,460,750,285.12
  5. Step 5: Solve for x
    x = 463,460,750,285.12/707,240.11
  6. Step 6: Final answer
    x = 655,308.92

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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.