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Finding the Fourth Proportional to 707,235.18, 976,005.62 and 435,459.87

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Solution

The fourth proportional to 707,235.18, 976,005.62 and 435,459.87 is: 600,947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,235.18 : 976,005.62 = 435,459.87 : x
  2. Step 2: Convert to fraction form
    707,235.18/976,005.62 = 435,459.87/x
  3. Step 3: Cross multiply
    707,235.18x = 976,005.62 × 435,459.87
  4. Step 4: Simplify right side
    707,235.18x = 425,011,278,227.17
  5. Step 5: Solve for x
    x = 425,011,278,227.17/707,235.18
  6. Step 6: Final answer
    x = 600,947.59

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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.