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Finding the Fourth Proportional to 583,574.76, 805,339.32 and 328,925.94

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Solution

The fourth proportional to 583,574.76, 805,339.32 and 328,925.94 is: 453,921.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,574.76 : 805,339.32 = 328,925.94 : x
  2. Step 2: Convert to fraction form
    583,574.76/805,339.32 = 328,925.94/x
  3. Step 3: Cross multiply
    583,574.76x = 805,339.32 × 328,925.94
  4. Step 4: Simplify right side
    583,574.76x = 264,896,992,849.96
  5. Step 5: Solve for x
    x = 264,896,992,849.96/583,574.76
  6. Step 6: Final answer
    x = 453,921.26

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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.