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Finding the Fourth Proportional to 507,488.25, 700,333.79 and 303,547.77

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Solution

The fourth proportional to 507,488.25, 700,333.79 and 303,547.77 is: 418,895.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,488.25 : 700,333.79 = 303,547.77 : x
  2. Step 2: Convert to fraction form
    507,488.25/700,333.79 = 303,547.77/x
  3. Step 3: Cross multiply
    507,488.25x = 700,333.79 × 303,547.77
  4. Step 4: Simplify right side
    507,488.25x = 212,584,760,210.15
  5. Step 5: Solve for x
    x = 212,584,760,210.15/507,488.25
  6. Step 6: Final answer
    x = 418,895.93

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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.