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Finding the Fourth Proportional to 935,809.60, 1,403,714.40 and 375,246.40

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Solution

The fourth proportional to 935,809.60, 1,403,714.40 and 375,246.40 is: 562,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,809.60 : 1,403,714.40 = 375,246.40 : x
  2. Step 2: Convert to fraction form
    935,809.60/1,403,714.40 = 375,246.40/x
  3. Step 3: Cross multiply
    935,809.60x = 1,403,714.40 × 375,246.40
  4. Step 4: Simplify right side
    935,809.60x = 526,738,775,228.16
  5. Step 5: Solve for x
    x = 526,738,775,228.16/935,809.60
  6. Step 6: Final answer
    x = 562,869.60

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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.