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Finding the Fourth Proportional to 584,417.29, 806,488 and 326,298.19

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Solution

The fourth proportional to 584,417.29, 806,488 and 326,298.19 is: 450,287.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,417.29 : 806,488 = 326,298.19 : x
  2. Step 2: Convert to fraction form
    584,417.29/806,488 = 326,298.19/x
  3. Step 3: Cross multiply
    584,417.29x = 806,488 × 326,298.19
  4. Step 4: Simplify right side
    584,417.29x = 263,155,574,656.72
  5. Step 5: Solve for x
    x = 263,155,574,656.72/584,417.29
  6. Step 6: Final answer
    x = 450,287.11

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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.