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Finding the Fourth Proportional to 507,417.16, 700,205.64 and 277,928.68

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Solution

The fourth proportional to 507,417.16, 700,205.64 and 277,928.68 is: 383,525.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,417.16 : 700,205.64 = 277,928.68 : x
  2. Step 2: Convert to fraction form
    507,417.16/700,205.64 = 277,928.68/x
  3. Step 3: Cross multiply
    507,417.16x = 700,205.64 × 277,928.68
  4. Step 4: Simplify right side
    507,417.16x = 194,607,229,253.76
  5. Step 5: Solve for x
    x = 194,607,229,253.76/507,417.16
  6. Step 6: Final answer
    x = 383,525.12

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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.