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Finding the Fourth Proportional to 303,394.86, 455,075.28 and 93,032.22

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Solution

The fourth proportional to 303,394.86, 455,075.28 and 93,032.22 is: 139,543.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,394.86 : 455,075.28 = 93,032.22 : x
  2. Step 2: Convert to fraction form
    303,394.86/455,075.28 = 93,032.22/x
  3. Step 3: Cross multiply
    303,394.86x = 455,075.28 × 93,032.22
  4. Step 4: Simplify right side
    303,394.86x = 42,336,663,565.52
  5. Step 5: Solve for x
    x = 42,336,663,565.52/303,394.86
  6. Step 6: Final answer
    x = 139,543.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.