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Finding the Fourth Proportional to 532,521.95, 734,875.44 and 290,803.77

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Solution

The fourth proportional to 532,521.95, 734,875.44 and 290,803.77 is: 401,306.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,521.95 : 734,875.44 = 290,803.77 : x
  2. Step 2: Convert to fraction form
    532,521.95/734,875.44 = 290,803.77/x
  3. Step 3: Cross multiply
    532,521.95x = 734,875.44 × 290,803.77
  4. Step 4: Simplify right side
    532,521.95x = 213,704,547,341.90
  5. Step 5: Solve for x
    x = 213,704,547,341.90/532,521.95
  6. Step 6: Final answer
    x = 401,306.56

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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.