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Finding the Fourth Proportional to 532,612.51, 735,001.32 and 290,895.19

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Solution

The fourth proportional to 532,612.51, 735,001.32 and 290,895.19 is: 401,433.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,612.51 : 735,001.32 = 290,895.19 : x
  2. Step 2: Convert to fraction form
    532,612.51/735,001.32 = 290,895.19/x
  3. Step 3: Cross multiply
    532,612.51x = 735,001.32 × 290,895.19
  4. Step 4: Simplify right side
    532,612.51x = 213,808,348,631.65
  5. Step 5: Solve for x
    x = 213,808,348,631.65/532,612.51
  6. Step 6: Final answer
    x = 401,433.21

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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.